@article{UZKU_1949_109_3_a5, author = {V. S. Shishkanov}, title = {{\CYRI}{\cyrz}{\cyrg}{\cyri}{\cyrb} {\cyrp}{\cyrr}{\cyri}{\cyrz}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyrs}{\cyrt}{\cyre}{\cyrr}{\cyrzh}{\cyrn}{\cyrya} {\cyrp}{\cyra}{\cyrr}{\cyra}{\cyrm}{\cyri}}, journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki}, pages = {39--61}, publisher = {mathdoc}, volume = {109}, number = {3}, year = {1949}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/UZKU_1949_109_3_a5/} }