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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Sharkasi A., Ruskin H., Crane M, Matos J., Gama SM. A wavelet-based method to measure stock market development. Open Journal of Statistics. 2014;4:86-96.Edit

[2006-1] Sharkasi A, Crane M, Ruskin HJ, Matos J.. The Reaction of Stock Markets to Crashes and Events: A Comparison Study between Emerging and Mature .Edit

Shamarova E, Chertovskih R, Ramos AF, Aguiar P. Backward-stochastic-differential-equation approach to modeling of gene expression. Physical Review E. 2017;95:032418.Edit

Shahzamanian M.. The congruence $\eta^*$ on semigroups. Q. J. Math.. 2016;67:405-424.

Shahzamanian M., Shirmohammadi M., Davvaz B.. Roughness in Cayley graphs. Inform. Sci.. 2010;180:3362-3372.Edit

Severo M., Gaio A., Povo A., Silva-Pereira F., Ferreira M.. Evidence-based decision about test scoring rules in clinical anatomy multiple-choice examinations. Anatomical Sciences Education. 2014.Edit