@article{UZKU_1970_130_1_a19,
     author = {S. M. Usmanova and V. D. Chugunov},
     title = {{\CYRK} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyre} {\cyro}{\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrm}{\cyra}{\cyrk}{\cyrs}{\cyri}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyro}{\cyrt}{\cyrb}{\cyro}{\cyrr}{\cyra} {\cyrv}~{\cyrn}{\cyre}{\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrr}{\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrs}{\cyro}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyrn}{\cyro}{\cyrm} {\cyrp}{\cyrl}{\cyra}{\cyrs}{\cyrt}{\cyre}},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {167--174},
     publisher = {mathdoc},
     volume = {130},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_1970_130_1_a19/}
}