Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2014_4_a21, title = {{\CYRU}{\cyrg}{\cyro}{\cyrl} {\cyrv} {\cyrk}{\cyrv}{\cyra}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyre}}, journal = {Kvant}, pages = {53--54}, publisher = {mathdoc}, number = {4}, year = {2014}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2014_4_a21/} }
Угол в квадрате. Kvant, no. 4 (2014), pp. 53-54. http://geodesic.mathdoc.fr/item/KVANT_2014_4_a21/