@article{UZKU_1969_129_2_a5, author = {\`E. Kh. Galin and M. A. Pudovkin}, title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\cyrn}{\cyre}{\cyrs}{\cyrt}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrr}{\cyrn}{\cyro}{\cyrishrt} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyre} {\cyrn}{\cyre}{\cyrf}{\cyrt}{\cyre}{\cyrp}{\cyrr}{\cyro}{\cyrm}{\cyrery}{\cyrs}{\cyrl}{\cyro}{\cyrv}{\cyro}{\cyrishrt} {\cyrm}{\cyre}{\cyrh}{\cyra}{\cyrn}{\cyri}{\cyrk}{\cyri}}, journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki}, pages = {84--91}, publisher = {mathdoc}, volume = {129}, number = {2}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/UZKU_1969_129_2_a5/} }