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@article{AL_2013_52_5_a8, author = {M. A. Grechkoseeva}, title = {Element orders in covers of finite simple groups}, journal = {Algebra i logika}, pages = {638--641}, publisher = {mathdoc}, volume = {52}, number = {5}, year = {2013}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_2013_52_5_a8/} }
M. A. Grechkoseeva. Element orders in covers of finite simple groups. Algebra i logika, Tome 52 (2013) no. 5, pp. 638-641. http://geodesic.mathdoc.fr/item/AL_2013_52_5_a8/