@misc{MP_2003_3_7_a19,
     title = {{\CYRU}{\cyrs}{\cyrl}{\cyro}{\cyrv}{\cyri}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {187--189},
     year = {2003},
     volume = {Ser. 3, 7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2003_3_7_a19/}
}