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@article{MS_1961__81_3_a0, author = {{\CYRN}.{\CYRV}. {\CYRCH}{\cyre}{\cyrr}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv}{\cyra}}, title = {{\CYRG}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery} {\cyrs} {\cyrd}{\cyro}{\cyrp}{\cyro}{\cyrl}{\cyrn}{\cyrya}{\cyre}{\cyrm}{\cyrery}{\cyrm}{\cyri} {\cyrp}{\cyro}{\cyrd}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyra}{\cyrm}{\cyri}}, journal = {Matemati\v{c}eskij sbornik}, pages = {273--292}, publisher = {mathdoc}, volume = {81}, number = {3}, year = {1961}, zbl = {0128.25304}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1961__81_3_a0/} }
Н.В. Черникова. Группы с дополняемыми подгруппами. Matematičeskij sbornik, Tome 81 (1961) no. 3, pp. 273-292. http://geodesic.mathdoc.fr/item/MS_1961__81_3_a0/