@misc{UZKU_1931_91_4_a14,
     title = {{\CYRI}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyri}{\cyrz}{\cyrd}{\cyra}{\cyrn}{\cyri}{\cyrya}, {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrch}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrv}~1931~{\cyrg}. {{\CYRK}{\cyra}{\cyrz}{\cyra}{\cyrn}{\cyrs}{\cyrk}{\cyri}{\cyrm}} {{\CYRG}{\cyro}{\cyrs}{\cyru}{\cyrd}{\cyra}{\cyrr}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrm}} {\cyru}{\cyrn}{\cyri}{\cyrv}{\cyre}{\cyrr}{\cyrs}{\cyri}{\cyrt}{\cyre}{\cyrt}{\cyro}{\cyrm} {{\cyri}{\cyrm}.~{\CYRV}.} {{\CYRI}.~{\CYRU}{\cyrl}{\cyrsftsn}{\cyrya}{\cyrn}{\cyro}{\cyrv}{\cyra}-{\CYRL}{\cyre}{\cyrn}{\cyri}{\cyrn}{\cyra}}},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {92--98},
     publisher = {mathdoc},
     volume = {91},
     number = {4},
     year = {1931},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_1931_91_4_a14/}
}