@article{UZKU_1952_112_3_a11,
     author = {Yu. Ya. Yanson},
     title = {{\CYRI}{\cyrz}{\cyrm}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrd}{\cyri}{\cyrerev}{\cyrl}{\cyre}{\cyrk}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrp}{\cyro}{\cyrt}{\cyre}{\cyrr}{\cyrsftsn} {\cyre}{\cyrm}{\cyrk}{\cyro}{\cyrs}{\cyrt}{\cyrn}{\cyrery}{\cyrm} {\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrn}{\cyrt}{\cyro}{\cyrm} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyra} {\cyrr}{\cyra}{\cyrs}{\cyrs}{\cyrt}{\cyrr}{\cyro}{\cyrishrt}{\cyrk}{\cyri} {\cyrk}{\cyro}{\cyrn}{\cyrt}{\cyru}{\cyrr}{\cyra}},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {171--176},
     publisher = {mathdoc},
     volume = {112},
     number = {3},
     year = {1952},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_1952_112_3_a11/}
}