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@article{GMJ_2002__9_4_51054, author = {Casas, J. M. and Ladra, M.}, title = {Stem extensions and stem covers of {Leibniz} algebras.}, journal = {Georgian Mathematical Journal}, pages = {659--669}, publisher = {mathdoc}, volume = {9}, number = {4}, year = {2002}, zbl = {1051.17001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_2002__9_4_51054/} }
Casas, J. M.; Ladra, M. Stem extensions and stem covers of Leibniz algebras.. Georgian Mathematical Journal, Tome 9 (2002) no. 4, pp. 659-669. http://geodesic.mathdoc.fr/item/GMJ_2002__9_4_51054/