Trees as Contexts in Formal Language Generation. - Adrian-Horia Dediu; Gabriela Martín (FinTAL, 2006)

An Algebraic Characterization of Wolper's Logic. - Zoltán Ésik; Gabriela Martín (FCS, 2007)

Rough Approximations in Varieties of Regular Languages. - Gabriela Martín; Magnus Steinby (Fundam. Informaticae, 2011)