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@article{IVM_1983_12_a10, author = {Yu. B. Ermolaev}, title = {A method of extensions of {Lie} algebras}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {61--64}, publisher = {mathdoc}, number = {12}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1983_12_a10/} }
Yu. B. Ermolaev. A method of extensions of Lie algebras. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1983), pp. 61-64. http://geodesic.mathdoc.fr/item/IVM_1983_12_a10/