Almeida J, Azevedo A. On regular implicit operations. Portugal. Math.. 1993;50:35-61.Edit

Lomp C. Regular and biregular module algebras. Arab. J. Sci. Eng. Sect. C Theme Issues. 2008;33:351-363.Edit

Guedes-Martins L, Gaio A., Saraiva J., Cerdeira S., Matos L., Silva E., et al. Reference Ranges for uterine artery pulsatility index during the menstrual cycle: A cross-sectional study. PLoS ONE. 2015;10:1DUMMY.Edit

Delgado M, Fernandes VH. Rees quotients of numerical semigroups. Port. Math.. 2013;70:93-112.Edit

Pastijn FJ, Oliveira LA. Rees matrix covers and the translational hull of a locally inverse semigroup. Comm. Algebra. 2008;36:3230-3249.Edit

Cruz I, M. Sousa-Dias E. Reduction of order of cluster-type recurrence relations. São Paulo J. Math. Sci.. 2012;6:203-225.Edit

Basto-Gonçalves J. Reduction of Hamiltonian systems with symmetry. J. Differential Equations. 1991;94:95-111.

Cruz I, M. Sousa-Dias E. Reduction of cluster iteration maps. Journal of Geometric Mechanics. 2014;6(3):297-318.Edit

Sousa M, Aguiar P, Szücs P. Reduction in inhibitory control is sufficient to generate hyperalgesia in a spiking model of nociceptive integration in the superficial dorsal horn. BMC neuroscience. 2013;14:P1.Edit

Almeida J, Klíma O. Reducibility vs. definability for pseudovarieties of semigroups. International Journal of Algebra and Computation. 2016;26(7):1483-1495.Edit

Almeida J, Costa JC, Zeitoun M. Reducibility of pointlike problems. Semigroup Forum. 2017;94(2):325-335.Edit

Almeida J, Weil P. Reduced factorizations in free profinite groups and join decompositions of pseudovarieties. Internat. J. Algebra Comput.. 1994;4:375-403.Edit

Rosales J., García-Sánchez PA. Reduced commutative monoids with two Archimedean components. Boll. Unione Mat. Ital. Sez. B Artic. Ric. Mat. (8). 2000;3:471-484.Edit

Pedroso JP, Cunha S, Tavares JN. Recursive circle packing problems. Int. Trans. Oper. Res.. 2016;23:355-368.Edit

Aimino R, Nicol M, Todd M. Recurrence statistics for the space of interval exchange maps and the Teichmüller flow on the space of translation surfaces. Ann. Inst. Henri Poincaré Probab. Stat.. 2017;53:1371-1401.Edit

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

Büyükasik E, Lomp C. On a recent generalization of semiperfect rings. Bull. Aust. Math. Soc.. 2008;78:317-325.Edit

Basto-Gonçalves J. Realization theory for Hamiltonian systems. SIAM J. Control Optim.. 1987;25:63-73.

Yakubovich SB. A real inversion formula for the bilateral Laplace transform. Izv. Nats. Akad. Nauk Armenii Mat.. 2005;40:67-79.

Silva PV. Rational subsets of partially reversible monoids. Theoret. Comput. Sci.. 2008;409:537-548.

Kambites M, Silva PV, Steinberg B. On the rational subset problem for groups. J. Algebra. 2007;309:622-639.Edit

Silva PV. Rational languages and inverse monoid presentations. Internat. J. Algebra Comput.. 1992;2:187-207.

Almeida J, Steinberg B. Rational codes and free profinite monoids. J. Lond. Math. Soc. (2). 2009;79:465-477.Edit

Freitas AC, Freitas JM, Todd M, Vaienti S. Rare events for the Manneville–Pomeau map. Stochastic Process. Appl.. 2016;126:3463-3479.Edit

Brazdil P., Soares C, Da Costa J. ranking learning algorithms: using ibl and meta-learning on accuracy and time results. machine learning. 2003;50:251-277.Edit