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

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

[2006-37] M. Silva C, Malet A. A note on Pérez de Moya’s Principios de Geometria (1584) .Edit

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

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

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

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

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

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., 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

Severo M., Gaio A., Lourenço P., Alvelos M., Bettencourt P., Azevedo A. Indirect calibration between clinical observers - Application to the New York Heart Association functional classification system. BMC Research Notes. 2011;4.Edit

Severo M., Trindade P., Gaio A.. Avaliação temporal do conhecimento matemático dos alunos da FCUP à entrada do ensino superior - Boletim da Sociedade Portuguesa de Estatística 2016.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

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. 2015;8(3).Edit

Santos R, Gama SM, Camacho RG. Two-dimensional simulation of the Navier-Stokes equations for laminar and turbulent flow around a heated square cylinder with forced convection. Applied Mathematics. 2018;9(291-312).Edit

Santos B, da Rocha Z. Introdução ao Software MAXIMA 2009.Edit

Santos J., Matos J., Araújo T., Cruz MB, Ramos S., Moura A. An Innovative Degree in Mathematical Engineering in the Portuguese Education System: Submission Process and Evaluation. In: 1st International Conference of the Portuguese Society for Engineering Education – CISPEE. Vol Proceedings of the 1st International Conference of the Portuguese Society for Engineering Education – CISPEE. Porto, Portugal: IEEE; 2013. 1. p. 1-10p. Edit

Santamaria F, Boffetta G, Afonso MM, Mazzino A, Onorato M, Pugliese D. Stokes drift for inertial particles transported by water waves. Europhysics Letters. 2013;102(1):14003: 1-5.Edit

Sánchez PA. An overview of the computational aspects of nonunique factorization invariants. In: Multiplicative ideal theory and factorization theory. Vol 170. Springer, [Cham]; 2016. 1. p. 159-181p. (Springer Proc. Math. Stat.; vol 170).Edit

Sakaeda N, Yakubovich SB, Saigo M. On Leibniz rules involving generalized fractional calculus operators. Fukuoka Univ. Sci. Rep.. 1996;26:63-78.Edit

Saigo M, Yakubovich SB. On the theory of convolution integrals for $G$-transforms. Fukuoka Univ. Sci. Rep.. 1991;21:181-193.Edit