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@article{MS_1950__69_1_a5, author = {{\CYRS}.{\CYRN}. {\CYRCH}{\cyre}{\cyrr}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv}}, title = {{\CYRP}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} $ZA$-{\cyrr}{\cyra}{\cyrs}{\cyrsh}{\cyri}{\cyrr}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrp}{\cyro}{\cyrl}{\cyrn}{\cyrery}{\cyrh} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}}, journal = {Matemati\v{c}eskij sbornik}, pages = {117--128}, publisher = {mathdoc}, volume = {69}, number = {1}, year = {1950}, zbl = {0039.25301}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1950__69_1_a5/} }
С.Н. Черников. Периодические $ZA$-расширения полных групп. Matematičeskij sbornik, Tome 69 (1950) no. 1, pp. 117-128. http://geodesic.mathdoc.fr/item/MS_1950__69_1_a5/