Some Criteria for Existence of supplements to Normal Subgroups and their Applications. - Leonid A. Kurdachenko; Javier Otal; Igor Ya. Subbotin (Int. J. Algebra Comput., 2010)

Groups in which the Normal Closures of Cyclic Subgroups have Finite Section Rank. - Leonid A. Kurdachenko; José M. Muñoz-Escolano; Javier Otal (Int. J. Algebra Comput., 2012)

On the structure of some Noetherian modules over group rings. - Leonid A. Kurdachenko; Javier Otal; Igor Ya. Subbotin (Int. J. Algebra Comput., 2014)