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

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

Silva MC. Contribuição para o estudo do manuscrito Arte de Marear de Juan Pérez de Moya. LLULL. 2012;35(76):351-379.Edit

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

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

[2010-14] Silva PV. Finite idempotent inverse monoid presentations .

[2006-21] Silva M. The algebraic contents of Bento Fernandes’ Tratado da arte de arismetica (1555) .

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

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

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

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

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

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

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

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

Silva PV. Clifford monoid presentations. Math. Proc. Cambridge Philos. Soc.. 1992;111:445-454.

Silva PV, Steinberg B. A geometric characterization of automatic monoids. Q. J. Math.. 2004;55:333-356.Edit

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

Silva PV. Fixed points of endomorphisms over special confluent rewriting systems. Monatsh. Math.. 2010;161:417-447.

Silva PV. The word problem for nilpotent inverse monoids. Semigroup Forum. 1995;51:285-293.

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

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

Silva PV. Fixed points of endomorphisms of certain free products. RAIRO Theor. Inform. Appl.. 2012;46:165-179.