Deductive systems and coherence for skew prounital closed categoriesUustalu, Tarmo; Veltri, Niccolo; Zeilberger, NoamProceedings of the 3rd Annual International Applied Category Theory Conference 20202021 / p. 1-19 https://doi.org/10.48550/arXiv.2101.03809 Conference Proceedings at Scopus Article at Scopus Article at WOS

Proof analysis of Peirce's alpha system of graphsMa, Minghui; Pietarinen, Ahti-VeikkoStudia logica2017 / p. 625-647 : ill https://doi.org/10.1007/s11225-016-9703-y

21st International Conference on Types for Proofs and Programs : TYPES 2015, May 18-21, 2015, Tallinn, Estonia [Online resource]2018 http://doi.org/10.4230/lipics.types.2015.0 http://www.dagstuhl.de/dagpub/978-3-95977-030-9

21st International Conference on Types for Proofs and Programs, TYPES 2015 : Tallinn, Estonia, 18-21 May 2015 : abstracts2015 http://www.ester.ee/record=b4473137*est