@article{UZKU_2005_147_1_a17,
     author = {B. N. Shapukov},
     title = {{\CYRR}{\cyra}{\cyrs}{\cyrs}{\cyrl}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrn}{\cyre}{\cyre}{\cyrv}{\cyrk}{\cyri}{\cyrd}{\cyro}{\cyrv}{\cyra} 3-{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyrg}{\cyri}{\cyrp}{\cyre}{\cyrr}{\cyrb}{\cyro}{\cyrl}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyrt}{\cyri}{\cyrp}{\cyra}, {\cyrp}{\cyro}{\cyrr}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyro}{\cyrishrt} {{\cyra}{\cyrn}{\cyrt}{\cyri}{\cyrk}{\cyrv}{\cyra}{\cyrt}{\cyre}{\cyrr}{\cyrn}{\cyri}{\cyro}{\cyrn}{\cyro}{\cyrv}.~I}},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {181--191},
     year = {2005},
     volume = {147},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2005_147_1_a17/}
}