@article{KVANT_2011_5_a36, author = {E. Gik}, title = {{\CYRG}{\cyro}{\cyrd} {\cyryu}{\cyrb}{\cyri}{\cyrl}{\cyre}{\cyre}{\cyrv}}, journal = {Kvant}, pages = {90}, publisher = {mathdoc}, number = {5}, year = {2011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2011_5_a36/} }