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@article{IVM_1992_4_a2, author = {S. A. Kirillov}, title = {The sandwich subalgebra in {Lie} algebras of {Cartan} type}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {18--25}, publisher = {mathdoc}, number = {4}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1992_4_a2/} }
S. A. Kirillov. The sandwich subalgebra in Lie algebras of Cartan type. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1992), pp. 18-25. http://geodesic.mathdoc.fr/item/IVM_1992_4_a2/