Silva PV. On unique factorization semilattices. Discuss. Math. Gen. Algebra Appl.. 2000;20:97-120.

Silva P., Travassos B, Vilar L, Aguiar P, Davids K, _. Numerical Relations and Skill Level Constrain Co-Adaptive Behaviors of Agents in Sports.. 2014.Edit

[2012-10] Silva PV. Fixed points of endomorphisms of virtually free groups .

Silva PV. Conjugacy and transposition for inverse monoid presentations. Internat. J. Algebra Comput.. 1996;6:607-622.

Silva MC, Ribeiro RM. Reflexão sobre um teorema de Jacques Bernoulli relativo a secções cónicas. Vol 139 SPM 2000.Edit

Silva PV. A note on pure and $p$-pure languages. Acta Inform.. 2003;39:579-595.

[2010-15] Silva PV. Fixed points of endomorphisms of certain free products .

Silva PV. Trees associated to inverse monoid presentations. J. Pure Appl. Algebra. 2001;165:307-335.

Silva M, Magalhães ML. Luis Inacio Woodhouse (1857-1927). Vol 1. U. Porto Edições ed. 2018.Edit

Silva P., Duarte R, Sampaio J, Aguiar P, Davids K, Araújo D, et al. Field dimension and skill level constrain team tactical behaviours in small-sided and conditioned games in football. Journal of sports sciences. 2014;32:1888-1896.Edit

Silva P., Weil P. On finite-index extensions of subgroups of free groups. J. Group Theory. 2010;13:365-381.Edit

Silva MC, Mirra ME, Ribeiro MF. Dicionário de Matemática Elementar, de Stella Baruk. Vol 2 Edições Afrontamento 2005.Edit

Silva PV. Rational languages and inverse monoid presentations. Internat. J. Algebra Comput.. 1992;2:187-207.

Silva PV. The homomorphism problem for the free monoid. Discrete Math.. 2002;259:189-200.

Silva MC. On the circulation of algebraic knowledge in the Iberian península: the sources of Pérez de Moya's Tratado de Arithmetica (1573). Revue d'histoire des mathématiques . 2016;2:145-184.Edit

[2014-19] Silva PV. An automata-theoretic approach to the study of fixed points of endomorphisms (to appear in a volume of the series Advanced Courses in Mathematics CRM Barcelona, Birkhäuser) .

[2015-25] Silva MC. On the circulation of algebraic knowledge in the Iberian península: the sources of Pérez de Moya's Tratado de Arithmetica (1573) .Edit

Silva PV, Weil P. On an algorithm to decide whether a free group is a free factor of another. Theor. Inform. Appl.. 2008;42:395-414.Edit

Silva PV. Groups and automata: a perfect match. J. Automata Lang. Combin.. 2012;17(2-4):277-292.

Silva PV. On free inverse monoid languages. RAIRO Inform. Théor. Appl.. 1996;30:349-378.

Silva MC. Equações no «Libro de Algebra» de Pedro Nunes. Vol 68 APM 2002.Edit

Silva PV. The homomorphism problem for trace monoids. Theoret. Comput. Sci.. 2003;307:199-215.

[2014-29] Silva PV, Soares F. Howson’s property for semidirect products of semilattices by groups .Edit

Silva PV, Soares F. Howson’s property for semidirect products of semilattices by groups. Comm. Algebra. 2016;44(6):2482-2494.Edit

Silva PV. Recognizable subsets of a group: finite extensions and the abelian case. Bull. Eur. Assoc. Theor. Comput. Sci. EATCS. 2002:195-215.