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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

[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

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

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

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

Severo M., Gaio A., Lucas R., Barros H.. Assessment of the general public's knowledge about rheumatic diseases: Evidence from a Portuguese population-based survey. BMC Musculoskeletal Disorders. 2010;11.Edit