@article{UZKU_1952_112_9_a2,
     author = {P. I. Petrov},
     title = {{\CYRK} {\cyrp}{\cyrr}{\cyro}{\cyrb}{\cyrl}{\cyre}{\cyrm}{\cyre} {\cyrr}{\cyra}{\cyrz}{\cyrery}{\cyrs}{\cyrk}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyrs}{\cyrk}{\cyra}{\cyrl}{\cyrya}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyri}{\cyrn}{\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrn}{\cyrt}{\cyro}{\cyrv} {\cyro}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {21--37},
     publisher = {mathdoc},
     volume = {112},
     number = {9},
     year = {1952},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_1952_112_9_a2/}
}