@misc{KVANT_2007_4_a27,
     title = {{\CYRK}{\CYRV}{\CYRA}{\CYRN}{\CYRT}+ {DVD}},
     journal = {Kvant},
     pages = {7},
     year = {2007},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2007_4_a27/}
}