Equational definability of (complementary) central elements. - Mariana V. Badano; Diego Vaggione (Int. J. Algebra Comput., 2016)

Characterization of context-free languages. - Mariana V. Badano; Diego Vaggione (Theor. Comput. Sci., 2017)

The fundamental Theorem of Central element Theory. - Mariana V. Badano; Diego Vaggione (J. Symb. Log., 2020)