Almeida J. Power exponents of aperiodic pseudovarieties. Semigroup Forum. 1999;59:18-32.Edit

Pinto CM, Machado J., Lopes A.. Power Law and Entropy Analysis of Catastrophic Phenomena. Mathematical Problems in Engineering. 2013;2013:10.Edit

Almeida J. Power pseudovarieties of semigroups. I, II. Semigroup Forum. 1986;33:357-373, 375-390.Edit

Almeida J. On the power semigroup of a finite semigroup. Portugal. Math.. 1992;49:295-331.Edit

Almeida J. On power varieties of semigroups. J. Algebra. 1989;120:1-17.Edit

Vasconcelos PB, d'Almeida FD. Preconditioned iterative methods for coupled discretizations of fluid flow problems. IMA Journal of Numerical Analysis. 1998;18:385-397.

Oliveira O., Gaio A., Villar M., Duarte R.. Predictors of treatment outcome in multidrug-resistant tuberculosis in Portugal. European Respiratory Journal. 2013;42:1747-1749.Edit

Oliveira O., Gaio A., Villar M., Duarte R. Predictors of treatment outcome in multidrug-resistant tuberculosis in Portugal. The European Respiratory Journal. 2013;42(6):1747-9.Edit

Costa A, Delgado M, Fernandes VH. Preface [Proceedings of the International Conference on Semigroups and Related Topics]. Internat. J. Algebra Comput.. 2011;21:v–vi.Edit

Jurgensen H, Reis R. Preface. Special Issue - Descriptional Complexity of Formal Languages DCFS 2013. International Journal of Fundations of Computer Science. 2015;25(7):803-805.Edit

Moreira N, Reis R. Preface. Special Issue - Implementation and Application of Automata (CIAA 2012). International Journal of Fundations of Computer Science. 2013;24:689-690.

Rosales J., García-Sánchez PA. Presentations for subsemigroups of finitely generated commutative semigroups. Israel J. Math.. 1999;113:269-283.Edit

Rosales J., García-Sánchez PA, Urbano-Blanco J.. On presentations of commutative monoids. Internat. J. Algebra Comput.. 1999;9:539-553.Edit

Chapman S., García-Sánchez PA, Llena D., Rosales J.. Presentations of finitely generated cancellative commutative monoids and nonnegative solutions of systems of linear equations. Discrete Appl. Math.. 2006;154:1947-1959.Edit

Rosales J., García-Sánchez PA, García-García JI. Presentations of finitely generated submonoids of finitely generated commutative monoids. Internat. J. Algebra Comput.. 2002;12:659-670.Edit

Almeida J, Costa A. Presentations of Schützenberger groups of minimal subshifts. Israel J. Math.. 2013;196:1-31.Edit

Petrich M, Silva PV. On presentations of semigroup rings. Boll. Unione Mat. Ital. Sez. B Artic. Ric. Mat. (8). 1999;2:127-142.Edit

Cordeiro-da-Costa J., Oliveira O., Baía L., Gaio A., Correia-Neves M., Duarte R.. Prevalence and factors associated to Diabetes mellitus among Tuberculosis patients: a nationwide cohort. European Respiratory Journal . 2016;48:264-268.Edit

Lomp C. Prime elements in partially ordered groupoids applied to modules and Hopf algebra actions. J. Algebra Appl.. 2005;4:77-97.Edit

Carvalho PA. Prime links in some skew-polynomial and skew-Laurent rings. Comm. Algebra. 1997;25:1443-1469.

Lopes SA. Primitive ideals and irreducible representations of $U_q(sl^+_4)$. Communications in Algebra. 2006;34(12):4523-4550.

Lopes SA. Primitive ideals of $U_q(\germ sl^+_n)$. Comm. Algebra. 2006;34:4523-4550.

Thomaz C., Giraldi G., Costa JP, Gillies D.. a priori-driven pca. lecture notes in computer science (including subseries lecture notes in artificial intelligence and lecture notes in bioinformatics). 2013;7729 lncs:236-247.Edit

Almeida J, Weil P. Profinite categories and semidirect products. J. Pure Appl. Algebra. 1998;123:1-50.Edit

Almeida J. Profinite groups associated with weakly primitive substitutions. Fundam. Prikl. Mat.. 2005;11:13-48.Edit