@article{MP_1959_a27,
     author = {A. A. Muchnik},
     title = {{\CYRA}.\,{\CYRA}.~{\CYRM}{\cyru}{\cyrch}{\cyrn}{\cyri}{\cyrk}--{\CYRR}.~{\CYRF}{\cyrr}{\cyri}{\cyrd}{\cyrb}{\cyre}{\cyrr}{\cyrg}. {{\CYRP}{\cyrr}{\cyro}{\cyrb}{\cyrl}{\cyre}{\cyrm}{\cyra}} {\cyrs}{\cyrv}{\cyro}{\cyrd}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyri}{\cyrm}{\cyrery}{\cyrh} {\cyrm}{\cyrn}{\cyro}{\cyrzh}{\cyre}{\cyrs}{\cyrt}{\cyrv}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {233--236},
     publisher = {mathdoc},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1959_a27/}
}