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@article{CMUC_1968__9_1_a1, author = {\v{S}irokov, V. I.}, title = {{\CYRP}{\cyrr}{\cyri}{\cyrn}{\cyrc}{\cyri}{\cyrp} {\cyrv}{\cyrery}{\cyrb}{\cyro}{\cyrr}{\cyra} {\cyrd}{\cyrl}{\cyrya} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyra} {\cyrr}{\cyra}{\cyrz}{\cyrr}{\cyrery}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt}}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {13--25}, publisher = {mathdoc}, volume = {09}, number = {1}, year = {1968}, mrnumber = {0232348}, zbl = {0164.35805}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/CMUC_1968__9_1_a1/} }
Širokov, V. I. Принцип выбора для одного класса разрывных функций. Commentationes Mathematicae Universitatis Carolinae, Tome 09 (1968) no. 1, pp. 13-25. http://geodesic.mathdoc.fr/item/CMUC_1968__9_1_a1/