Silva PV. An application of first-order logic to the study of recognizable languages. Internat. J. Algebra Comput.. 2004;14:785-799.

Silva PV. A note on primeness of semigroup rings. Proc. Roy. Soc. Edinburgh Sect. A. 1992;120:191-197.

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

[2013-25] Silva PV. Teoria Geométrica de Grupos (notas de curso, Universidade Federal da Bahia) .

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

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

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

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

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

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

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

Silva MC. Renaissance sources of Juan Pérez de Moya’s geometries. Asclepio. Revista de Historia de la Medicina y de la Ciencia. 2013;65 (2)(julio-diciembre ):1-18.Edit

Silva H, Brito P., Da Costa J. a partitional clustering algorithm validated by a clustering tendency index based on graph theory. pattern recognition. 2006;39:776-788.Edit

[2015-26] Silva MC, Magalhães ML. Vida e Obra de Luis Inacio Woodhouse (1857-1927) .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. Trees associated to inverse monoid presentations. J. Pure Appl. Algebra. 2001;165:307-335.

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

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

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

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

[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, Malet A. A note on Pérez de Moya's Principios de Geometria (1584). Revue d'histoire des mathématiques . 2008;14 ( fascicule 1 ):113-133.Edit

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

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