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@article{MS_1950__69_1_a6, author = {{\CYRP}.{\CYRE}. {\CYRD}{\cyryu}{\cyrb}{\cyryu}{\cyrk}}, title = {{\CYRO} {\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyre} {\cyrp}{\cyro}{\cyrd}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp} {\cyrd}{\cyra}{\cyrn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyri}{\cyrn}{\cyrd}{\cyre}{\cyrk}{\cyrs}{\cyra} {\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyro}{\cyrishrt} $p$-{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery}}, journal = {Matemati\v{c}eskij sbornik}, pages = {129--138}, publisher = {mathdoc}, volume = {69}, number = {1}, year = {1950}, zbl = {0037.30201}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1950__69_1_a6/} }
П.Е. Дюбюк. О числе подгрупп данного индекса конечной $p$-группы. Matematičeskij sbornik, Tome 69 (1950) no. 1, pp. 129-138. http://geodesic.mathdoc.fr/item/MS_1950__69_1_a6/