On Nilpotent Leibniz Superalgebras
  The aim of this work is to present the first problems that appear in the study of nilpotent Leibniz superalgebras. These superalgebras and so the problems, will be considered as a natural generalization of nilpotent Leibniz algebras and Lie superalgebras. 
J.R. G\'omez, R.M. Navarro, B. A. Omirov