@article{UZKU_1949_109_3_a3, author = {E. A. Zimkin}, title = {{\CYRA}{\cyrm}{\cyrp}{\cyre}{\cyrr}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyre} {\cyri}{\cyrs}{\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrf}{\cyrt}{\cyro}{\cyrr}{\cyri}{\cyrd}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyra} {\cyrzh}{\cyre}{\cyrl}{\cyre}{\cyrz}{\cyra}}, journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki}, pages = {29--35}, publisher = {mathdoc}, volume = {109}, number = {3}, year = {1949}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/UZKU_1949_109_3_a3/} }