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@article{MS_1946__61_1_a3, author = {{\CYRS}.{\CYRA}. {\CYRG}{\cyre}{\cyrl}{\cyrsftsn}{\cyrf}{\cyre}{\cyrr}}, title = {{\CYRO} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyre} {\cyrr}{\cyre}{\cyrg}{\cyru}{\cyrl}{\cyrya}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt}, {\cyrn}{\cyre} {\cyrp}{\cyrr}{\cyri}{\cyrn}{\cyri}{\cyrm}{\cyra}{\cyryu}{\cyrshch}{\cyri}{\cyrh} {\cyrn}{\cyri} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\cyrp}{\cyra}{\cyrr}{\cyrery} {\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrishrt} $w$ {\cyri} $-w$}, journal = {Matemati\v{c}eskij sbornik}, pages = {33--46}, publisher = {mathdoc}, volume = {61}, number = {1}, year = {1946}, zbl = {0060.22507}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1946__61_1_a3/} }
С.А. Гельфер. О классе регулярных функций, не принимающих ни одной пары значений $w$ и $-w$. Matematičeskij sbornik, Tome 61 (1946) no. 1, pp. 33-46. http://geodesic.mathdoc.fr/item/MS_1946__61_1_a3/