@article{DA_1969_2_a16,
     author = {E. A. Ivanov and V. S. Beskov},
     title = {{\CYRU}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrr}{\cyre}{\cyra}{\cyrk}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv}},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {121--126},
     publisher = {mathdoc},
     number = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1969_2_a16/}
}