Silva PV, Weil P. On an algorithm to decide whether a free group is a free factor of another. Theor. Inform. Appl.. 2008;42:395-414.Edit

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

[2008-23] Silva PV, Weil P. On finite-index extensions of subgroups of free groups .Edit

Silva PV. On free inverse monoid languages. RAIRO Inform. Théor. Appl.. 1996;30:349-378.

Silva PV. The homomorphism problem for trace monoids. Theoret. Comput. Sci.. 2003;307:199-215.

Silva PV, Weil P. Automorphic orbits in free groups: words versus subgroups. Internat. J. Algebra Comput.. 2010;20:561-590.Edit

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 PV. Recognizable subsets of a group: finite extensions and the abelian case. Bull. Eur. Assoc. Theor. Comput. Sci. EATCS. 2002:195-215.

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

[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

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

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

Silva PV. Normal-convex embeddings of inverse semigroups. Glasgow Math. J.. 1993;35:115-121.

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

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

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 ML, Milheiro-Oliveira P. Modelação do atraso dos veículos em cruzamentos semaforizados .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

Simões Md, de Oliveira PM, Costa AP. Análise Probabilística do fluxo de tráfego num cruzamento semi-actuado 2002.Edit

Simões L., Oliveira PM. Modeling and Simulation of Traffic Movements at Semi-Actuated Signalized Intersections. Journal of Transportation Engineering. 2010;136:554-564.Edit

Simões L, de Oliveira PM, Costa AP. Simulation and modelling of vehicule’s delay at semi-actuated signalized intersections. In: Compstat’2004 symposium.; 2004. 1. p. 1823-1830p. Edit

Simões Md, Oliveira PM, Costa AP. Análise do desempenho de um cruzamento regulado por controlo semi-actuado 2006.Edit

Simões M., Costa A., Oliveira PM. Simulation Based Design of Optimal Phasing Plans for an Intersection with Semi-Actuated Signals. In: Proceedings of the Twelfth International Conference on Civil, Structural and Environmental Engineering Computing.; 2009. 2. 246.Edit

Simões Md, de Oliveira PM, Costa AP. Análise de filas de espera com pausas do servidor para controle de tráfego 2005.Edit