@article{IVM_1987_7_a14,
     author = {A. V. Sul'din},
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {\cyrv}{\cyru}{\cyrz}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrn}{\cyra}{\cyru}{\cyrk}{\cyri}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {85--87},
     publisher = {mathdoc},
     number = {7},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1987_7_a14/}
}