@article{MP_2000_3_4_a6,
     author = {A. Ruinskii},
     title = {{\CYRI}{\cyrn}{\cyrv}{\cyre}{\cyrr}{\cyrs}{\cyri}{\cyri} {\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrn}{\cyrn}{\cyre}{\cyrishrt} {\cyrg}{\cyri}{\cyrp}{\cyre}{\cyrr}{\cyrb}{\cyro}{\cyrl}{\cyrery}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {120--126},
     year = {2000},
     volume = {Ser. 3, 4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2000_3_4_a6/}
}