Catarino Paula

Publications in Math-Net.Ru

1. New families of Jacobsthal and Jacobsthal-Lucas numbers
   
   Algebra Discrete Math., 20:1 (2015),  40–54
2. On inverse subsemigroups of the semigroup of orientation-preserving or orientation-reversing transformations
   
   Algebra Discrete Math., 19:2 (2015),  162–171