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

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

Silva PV. Normal-convex embeddings of inverse semigroups. Glasgow Math. J.. 1993;35:115-121.

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

Silva MC, Estrada MF. José Anastácio da Cunha e a Álgebra do seu tempo. CMUM ed. Portugal, Braga: Universidade do Minho. Centro de Matemática (CMAT) 2005.Edit

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

Silva PV, Soler-Escrivà X, Ventura E. Finite automata for Schreier graphs of virtually free groups. J. Group Theory. 2016;19:25-54.Edit

[2015-26] Silva MC, Magalhães ML. Vida e Obra de Luis Inacio Woodhouse (1857-1927) .Edit

[2017-28] Silva PV, Zakharov A. On finitely generated submonoids of free groups .

Silva P., Aguiar P, Duarte R, Davids K, Araújo D, Garganta J. Effects of pitch size and skill level on tactical behaviours of Association Football players during small-sided and conditioned games. International Journal of Sports Science & Coaching. 2014;9:993-1006.Edit

Silva PV. Free group languages: rational versus recognizable. Theor. Inform. Appl.. 2004;38:49-67.

[2016-13] Silva PV, Soares F. Local finiteness for Green relations in (I-)semigroup varieties .Edit

Silva PV, Steinberg B. Extensions and submonoids of automatic monoids. Theoret. Comput. Sci.. 2002;289:727-754.Edit

Silva MC. The algebraic content of Bento Fernandes’s Tratado da arte de arismetica (1555). Historia Mathematica . 2008;35 :190-219.Edit

Silva PV. On the semilattice of idempotents of a free inverse monoid. Proc. Edinburgh Math. Soc. (2). 1993;36:349-360.

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

Silva PV, Steinberg B.. On a class of automata groups generalizing lamplighter groups. Internat. J. Algebra Comput.. 2005;15:1213-1234.Edit

[2006-7] Silva PV, Weil P. On an algorithm to decide whether a free group is a free factor of another .Edit

Silva PV. Finite idempotent inverse monoid presentations. Internat. J. Algebra Comput.. 2011;21:1111-1133.

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

[2009-10] Silva PV. Fixed points of endomorphisms over special confluent rewriting systems .

[2006-37] M. Silva C, Malet A. A note on Pérez de Moya’s Principios de Geometria (1584) .Edit

Silva PV. Rational subsets of partially reversible monoids. Theoret. Comput. Sci.. 2008;409:537-548.

Silva PV. Fixed points of endomorphisms of virtually free groups. Pacific J. Math.. 2013;263:207-240.