% \lambda\delta version 3 (proposed) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

@techreport{lambdadeltaR3a,
   author="Ferruccio {Guidi}",
   title="{The Formal System $\lambda\Upsilon\mathrm{P}$}",
   type="Technical Report",
   number="AMS Acta 5754",
   institution="University of Bologna",
   address="Bologna, Italy",
   year="2018",
   month="January"
}

@article{lambdadeltaJ3a,
   author="Ferruccio {Guidi}",
   title="{Verified Representations of Landau's ``Grundlagen'' in the $\lambda\delta$ Family and in the Calculus of Constructions}",
   Publisher="University of Bologna",
   address="Bologna, Italy",
   journal="Journal of Formalized Reasoning",
   volume="8",
   number="1",
   year="2015",
   month="December",
   pages="93--116"
}

% \lambda\delta version 2 (active) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

@article{lambdadeltaJ2a,
   author="Ferruccio {Guidi}",
   title="{A Formal System for the Universal Quantification of Schematic Variables}",
   journal="Transactions on Computational Logic",
   volume="to appear",
   number="",
   pages="",
   publisher="ACM",
   address="New York, NY, USA",
   year="2021",
   month="May",
   note="CoRR identifier 1911.12749",
}

@misc{lambdadeltaV2b,
   author="Ferruccio {Guidi}",
   title="{lambdadelta\_2B}",
   howpublished="Formal specification for the interactive prover Matita 0.99.4",
   year="2020",
   month="October",
   note="Available at $\lambda\delta$ Web site: $<$\url{http://lambdadelta.info/}$>$"
}

@techreport{lambdadeltaR2c,
   author="Ferruccio {Guidi}",
   title="{Extending the Applicability Condition in the Formal System $\lambda\delta$}",
   type="Technical Report",
   number="AMS Acta 4411",
   institution="University of Bologna",
   address="Bologna, Italy",
   year="2015",
   month="December",
   note="CoRR identifier 1411.0154"
}

@misc{lambdadeltaV2a,
   author="Ferruccio {Guidi}",
   title="{lambdadelta\_2A}",
   howpublished="Formal specification for the interactive prover Matita 0.99.2",
   year="2014",
   month="October",
   note="Available at $\lambda\delta$ Web site: $<$\url{http://lambdadelta.info/}$>$"
}

@incollection{lambdadeltaR2b,
   author="Ferruccio {Guidi}",
   title="{An Efficient Validation Procedure for the Formal System $\lambda\delta$}",
   editor="Fernando {Ferreira} and H\'elia {Guerra} and Elvira {Mayordomo} and Jo\~ao {Rasga}",
   booktitle="Local Proceedings of 6th Conference on Computability in Europe (CiE 2010)",
   pages="204--213",
   publisher="Centre for Applied Mathematics and Information Technology, Department of Mathematics, University of Azores",
   address="Ponta Delgada, Portugal",
   year="2010",
   month="July"
}

@techreport{lambdadeltaR2a,
   author="Ferruccio {Guidi}",
   title="{Landau's ``Grundlagen der Analysis'' from Automath to lambda-delta}",
   type="Technical Report",
   number="UBLCS 2009-16",
   institution="University of Bologna",
   address="Bologna, Italy",
   year="2009",
   month="September"
}

% \lambda\delta version 1 (superseded) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

@article{lambdadeltaJ1a,
   author="Ferruccio {Guidi}",
   title="{The Formal System $\lambda\delta$}",
   journal="Transactions on Computational Logic",
   volume="11",
   number="1",
   pages="5:1--5:37, online appendix 1--11",
   publisher="ACM",
   address="New York, NY, USA",
   year="2009",
   month="November",
   note="CoRR identifier cs/0611040"
}

@incollection{lambdadeltaR1c,
   author="Ferruccio {Guidi}",
   title="{Lambda Types on the Lambda Calculus with Abbreviations}",
   editor="Stuart Barry {Cooper} and Thomas F. {Kent} and Benedikt {L\"owe} and Andrea {Sorbi}", @comment="{\"}",
   booktitle="Local Proceedings of 3rd Conference on Computability in Europe (CiE 2007) Technical Report 487",
   pages="387--387",
   publisher="Universit\`a di Siena",
   address="Siena, Italy",
   year="2007",
   month="June"
}

@techreport{lambdadeltaR1b,
   author="Ferruccio {Guidi}",
   title="{Lambda-Types on the Lambda-Calculus with Abbreviations}",
   type="Technical Report",
   number="UBLCS 2006-25",
   institution="University of Bologna",
   address="Bologna, Italy",
   year="2006",
   month="November"
}

@techreport{lambdadeltaR1a,
   author="Ferruccio {Guidi}",
   title="{Lambda-Types on the Lambda-Calculus with Abbreviations: a Certified Specification}",
   type="Technical Report",
   number="UBLCS 2006-01",
   institution="University of Bologna",
   address="Bologna, Italy",
   year="2006",
   month="January"
}

@misc{lambdadeltaV1a,
   author="Ferruccio {Guidi}",
   title="{lambdadelta\_1A}",
   howpublished="Formal specification for the interactive prover Coq 7.3.1",
   year="2006",
   month="November",
   note="Available at $\lambda\delta$ Web site: $<$\url{http://lambdadelta.info/}$>$"
}