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@article{MS_1960__93_2_a6, author = {{\CYRV}.{\CYRF}. {\CYRG}{\cyra}{\cyrp}{\cyro}{\cyrsh}{\cyrk}{\cyri}{\cyrn}}, title = {{\CYRO} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrh} {\cyrv}{\cyri}{\cyrd}{\cyra} $\lbrace \varphi (n\ x)\rbrace $, {\cyrb}{\cyrl}{\cyri}{\cyrz}{\cyrk}{\cyri}{\cyrh} {\cyrk} {\cyrt}{\cyrr}{\cyri}{\cyrg}{\cyro}{\cyrn}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyre}}, journal = {Matemati\v{c}eskij sbornik}, pages = {239--252}, publisher = {mathdoc}, volume = {93}, number = {2}, year = {1960}, zbl = {0096.04901}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1960__93_2_a6/} }
В.Ф. Гапошкин. О системах вида $\lbrace \varphi (n\ x)\rbrace $, близких к тригонометрической системе. Matematičeskij sbornik, Tome 93 (1960) no. 2, pp. 239-252. http://geodesic.mathdoc.fr/item/MS_1960__93_2_a6/