Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2012_4_a9, author = {L. Steyngarts}, title = {{\CYRCH}{\cyru}{\cyrd}{\cyre}{\cyrs}{\cyra} {\cyrv} {\cyrk}{\cyra}{\cyrl}{\cyre}{\cyrn}{\cyrd}{\cyra}{\cyrr}{\cyre}}, journal = {Kvant}, pages = {32--33}, publisher = {mathdoc}, number = {4}, year = {2012}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2012_4_a9/} }
L. Steyngarts. Чудеса в календаре. Kvant, no. 4 (2012), pp. 32-33. http://geodesic.mathdoc.fr/item/KVANT_2012_4_a9/