@article{EXMATH_1998_1998_1_a18,
     author = {Casas Mir\'as, J. M.},
     title = {Extensiones centrales de las \'algebras de {Leibniz.}},
     journal = {Extracta mathematicae},
     pages = {393-397},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {1998},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1998_1998_1_a18/}
}