Silva MC. Contribuição para o estudo do manuscrito Arte de Marear de Juan Pérez de Moya. LLULL. 2012;35(76):351-379.Edit

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

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, Steinberg B.. On a class of automata groups generalizing lamplighter groups. Internat. J. Algebra Comput.. 2005;15:1213-1234.Edit

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

Sá CC, Silva MC. Capitulos 14, 15, 16, 17, 18, 19 de 43 Miniaturas matemáticas Gradiva 2013.Edit

Rosales J., García-Sánchez PA, García-García JI. Commutative ideal extensions of abelian groups. Semigroup Forum. 2001;62:311-316.Edit

Rosales J., García-Sánchez PA. On complete intersection affine semigroups. Comm. Algebra. 1995;23:5395-5412.Edit

Rosales J., García-Sánchez PA. Constructing almost symmetric numerical semigroups from irreducible numerical semigroups. Comm. Algebra. 2014;42:1362-1367.Edit

Rosales J., García-Sánchez PA, Urbano-Blanco J.. Correction to: ``Modular Diophantine inequalities and numerical semigroups'' [Pacific J. Math. \bf 218 (2005), no. 2, 379–398; \refcno 2218353]. Pacific J. Math.. 2005;220:199.Edit

Rosales J., García-Sánchez PA, Urbano-Blanco J.. On Cohen-Macaulay subsemigroups of $\bold N^2$. Comm. Algebra. 1998;26:2543-2558.Edit

Rosales J., García-Sánchez PA. On Cohen-Macaulay and Gorenstein simplicial affine semigroups. Proc. Edinburgh Math. Soc. (2). 1998;41:517-537.Edit

Rodrigues AA, Labouriau IS, Aguiar MA. A chaotic carousel: dynamics near heteroclinic networks. Bol. Soc. Port. Mat.. 2010:103-109.Edit

[2009-46] Rodrigues A., Labouriau IS, Aguiar MA. Chaotic Double Cycling .

Rodrigues M., Vieira N, Yakubovich SB. A convolution operator related to the generalized Mehler-Fock and Kontorovich-Lebedev transforms. Results Math.. 2013;63:511-528.Edit

Rodrigues AA, Labouriau IS, Aguiar MA. Chaotic double cycling. Dyn. Syst.. 2011;26:199-233.Edit

[2004-42] Rocha F, Basto-Gonçalves J. Classification of linear differential equations near infinity .Edit

Rocha J, Varandas P. The centralizer of $C^r$-generic diffeomorphisms at hyperbolic basic sets is trivial. Proc. Amer. Math. Soc.. 2018;146:247-260.Edit

Rocha J. Centralizers and entropy. Bol. Soc. Brasil. Mat. (N.S.). 1994;25:213-222.

Rito C.. On the construction of complex algebraic surfaces. Vol 38, 39 2017.Edit

Rito C. Cuspidal quintics and surfaces with $p_g=0,$ $K^2=3$ and 5-torsion. LMS Journal of Computation and Mathematics. 2016;19(1):42-53.

Rebelo JC, Reis H. Cyclic stabilizers and infinitely many hyperbolic orbits for pseudogroups on (C,0). J. Inst. Math. Jussieu. 2014;13(2):413-446.Edit

Ramos S., de Oliveira PM. Caracterização Estatística do Meio Poroso de Argamassas 2001.Edit

Raina R., Yakubovich SB, Saigo M. On convolution integrals associated with $H$-transforms. J. Fract. Calc.. 1997;11:53-65.Edit

Pinto CM, Machado J.. Complex order biped rhythms. International Journal of Bifurcation and Chaos. 2011;21:3053-3061.Edit