@article{UZKU_1949_109_3_a8, author = {A. A. Shestakov}, title = {{\CYRO} {\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrn}{\cyre}{\cyrp}{\cyrr}{\cyre}{\cyrr}{\cyrery}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyrd}{\cyrr}{\cyro}{\cyrb}{\cyrya}{\cyrh}}, journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki}, pages = {87--98}, publisher = {mathdoc}, volume = {109}, number = {3}, year = {1949}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/UZKU_1949_109_3_a8/} }