@article{UZKU_1964_124_9_a14, author = {A. N. Chekalin}, title = {{\CYRI}{\cyrn}{\cyrt}{\cyre}{\cyrr}{\cyrp}{\cyro}{\cyrl}{\cyri}{\cyrr}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyrn}{\cyre}{\cyrm}{\cyre}{\cyrs}{\cyrya}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrd}{\cyre}{\cyrb}{\cyri}{\cyrt}{\cyro}{\cyrv} {\cyrs}{\cyrk}{\cyrv}{\cyra}{\cyrzh}{\cyri}{\cyrn}}, journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki}, pages = {108--117}, year = {1964}, volume = {124}, number = {9}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/UZKU_1964_124_9_a14/} }