@article{UZKU_1952_112_3_a2, author = {K. A. Berezin}, title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrp}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyrery} {{\CYRG}{\cyro}{\cyrl}{\cyrsftsn}{\cyrd}{\cyri}{\cyrch}{\cyra}}}, journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki}, pages = {57--65}, publisher = {mathdoc}, volume = {112}, number = {3}, year = {1952}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/UZKU_1952_112_3_a2/} }