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@article{MS_1951__70_1_a3, author = {{\CYRP}.{\CYRG}. {\CYRK}{\cyro}{\cyrn}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv}{\cyri}{\cyrch}}, title = {{\CYRI}{\cyrn}{\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrn}{\cyrt}{\cyrn}{\cyro} {\cyrp}{\cyro}{\cyrk}{\cyrr}{\cyrery}{\cyrv}{\cyra}{\cyre}{\cyrm}{\cyrery}{\cyre} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery}. {II}}, journal = {Matemati\v{c}eskij sbornik}, pages = {79--88}, publisher = {mathdoc}, volume = {70}, number = {1}, year = {1951}, zbl = {0042.01703}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1951__70_1_a3/} }
П.Г. Конторович. Инвариантно покрываемые группы. II. Matematičeskij sbornik, Tome 70 (1951) no. 1, pp. 79-88. http://geodesic.mathdoc.fr/item/MS_1951__70_1_a3/