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BibTeX database of λδ documentation: download lambdadelta.bib, view lambdadelta.txt (revised 2017-09).

The main source of information is J3a.

J3a.	F. Guidi: Verified Representations of Landau's "Grundlagen" in the λδ Family and in the Calculus of Constructions (2015-12). In JFR 8(1), Univerity of Bologna, pp. 93-116. BibTeX entry.

The main source of information is R2c.

R2c.	F. Guidi: Extending the Applicability Condition in the Formal System λδ (2015-03). University of Bologna, technical report AMS Acta 4411. BibTeX entry.
R2b.	F. Guidi: An Efficient Validation Procedure for the Formal System λδ (2010-07). In CiE 2010 Local Proceedings. University of Azores, CMATI Booklet, pp. 204-213. BibTeX entry.
R2a.	F. Guidi: Landau's "Grundlagen der Analysis" from Automath to lambda-delta (2009-09). University of Bologna, technical report UBLCS-2009-16. BibTeX entry.
P2d.	F. Guidi: Considerations on Automath in Light of the Grundlagen (revised 2016-06). Presentation at University of Bologna (slides).
P2c.	F. Guidi: The Formal System λδ and the "Three Problems" (2014-06). Presentation at University of Bologna, for the 10th anniversary of λδ (slides).
P2b.	F. Guidi: An Efficient Validation Procedure for the Formal System λδ (2010-07). Presentation at CiE 2010 (slides).
P2a.	F. Guidi: A Validator for the Formal System λδ (revised 2010-02). Presentation at University of Bologna (slides).
V2a.	F. Guidi: lambdadelta_2A1 (revised 2014-10). Formal specification for the proof assistant Matita 0.99.2 (scripts). BibTeX entry.

The main source of information is J1a. A summary is available in P1e.

J1a.	F. Guidi: The Formal System λδ (2009-11). In ACM ToCL 11(1), pp. 5:1-5:37 online app. pp. 1-11 (accepted 2008-07). CoRR identifier cs/0611040 [v10] (revised 2008-09). BibTeX entry.
R1c.	F. Guidi: Lambda Types on the Lambda Calculus with Abbreviations (2007-06). In CiE 2007 Local Proceedings. University of Siena, technical report 487, p. 387 (abstract of a presentation). BibTeX entry.
R1b.	F. Guidi: Lambda Types on the Lambda Calculus with Abbreviations (2006-11). University of Bologna, technical report UBLCS-2006-25. BibTeX entry.
R1a.	F. Guidi: Lambda Types on the Lambda Calculus with Abbreviations: a Certified Specification (2006-01). University of Bologna, technical report UBLCS-2006-01. BibTeX entry.
P1e.	F. Guidi: The Formal System λδ (2008-10). Presentation at Advances in Constructive Topology and Logical Foundations (slides).
P1d.	F. Guidi: Towards the Unification of Terms, Types and Contexts (2008-03). Presentation at Types 2008 (slides).
P1c.	F. Guidi: Lambda Types on the Lambda Calculus with Abbreviations (2007-06). Presentation at CiE 2007 (slides).
P1b.	F. Guidi: Lambda Tipi sul Lambda Calcolo con Abbreviazioni (2007-01). Presentation at University of Padova (slides in Italian).
P1a.	F. Guidi: Lambda Tipi sul Lambda Calcolo con Abbreviazioni: una Specifica Certificata (2005-12). Presentation at University of Bologna (slides in Italian).
V1a.	F. Guidi: lambdadelta_1 (revised 2015-01). Formal specification for the proof assistant Coq 7.3.1 (scripts). BibTeX entry.