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@article{MZM_1979_26_3_a0, author = {V. M. Sitnikov}, title = {Finite groups with a~standard component isomorphic to~$M_{24}$}, journal = {Matemati\v{c}eskie zametki}, pages = {321--335}, publisher = {mathdoc}, volume = {26}, number = {3}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1979_26_3_a0/} }
V. M. Sitnikov. Finite groups with a~standard component isomorphic to~$M_{24}$. Matematičeskie zametki, Tome 26 (1979) no. 3, pp. 321-335. http://geodesic.mathdoc.fr/item/MZM_1979_26_3_a0/