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

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

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

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

[2015-41] M. Silva C. 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. The homomorphism problem for trace monoids. Theoret. Comput. Sci.. 2003;307:199-215.

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

[2008-23] Silva PV, Weil P. On finite-index extensions of subgroups of free groups .Edit

Silva PV, Weil P. Automorphic orbits in free groups: words versus subgroups. Internat. J. Algebra Comput.. 2010;20:561-590.Edit

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

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

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

Silva MC, Duarte AL, de Sá CC. Francisco Gomes Teixeira. CIM Bulletin. 2004;16:21-23.Edit

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

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

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

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

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.

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

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

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

[2012-16] Silva PV. Groups and automata: a perfect match .

[2008-29] Silva PV, Weil P. Automorphic orbits in free groups: words versus subgroups .Edit