@article{KVANT_2005_3_a1,
     author = {G. Ustyugina and Yu. Ustyugin},
     title = {{\CYRP}{\cyrr}{\cyro}{\cyrshch}{\cyra}{\cyrishrt} {\cyrt}{\cyro}{\cyrr}{\cyrn}{\cyra}{\cyrd}{\cyro}!},
     journal = {Kvant},
     pages = {10--15},
     publisher = {mathdoc},
     number = {3},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2005_3_a1/}
}