Simões Md, de Oliveira PM, Costa AP. Modelação do atraso dos veículos em tráfego urbano usando modelos de efeitos mistos 2003.Edit

Simões Md, Oliveira PM, Costa AP. Queues with server vacations in urban traffic control. In: International Symposium on Applied Stochastic Models and Data Analysis (ASMDA 2005).; 2005. 1. p. 1181-1188p. Edit

Simões L, Costa AP, de Oliveira PM. Simulation and Modelling of Traffic Movements at Semi-Actuated Signalised Intersections. In: 10th International Conference on Computers in Urban Planning and Urban Management.; 2007. 1. 10.Edit

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

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

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

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 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

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

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

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

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

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

[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

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

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

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

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

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

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