@article{MP_1938_a1,
     author = {L. Kreer},
     title = {{\CYRP}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyro}{\cyrishrt} {\cyrv}{\cyrery}{\cyrv}{\cyro}{\cyrd} {\cyrf}{\cyro}{\cyrr}{\cyrm}{\cyru}{\cyrl}{\cyrery} {\cyrs}{\cyro}{\cyrch}{\cyre}{\cyrt}{\cyra}{\cyrn}{\cyri}{\cyrishrt} {\cyrs}~{\cyrp}{\cyro}{\cyrv}{\cyrt}{\cyro}{\cyrr}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrm}{\cyri}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {7--9},
     publisher = {mathdoc},
     year = {1938},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1938_a1/}
}