@article{MP_1959_a0,
     author = {L. A. Lyusternik},
     title = {{\CYRO} {\cyrv}{\cyrery}{\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrg}{\cyro}. {({\CYRO}{\cyrk}{\cyro}{\cyrn}{\cyrch}{\cyra}{\cyrn}{\cyri}{\cyre})}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {3--26},
     publisher = {mathdoc},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1959_a0/}
}