Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2009_2_a19, title = {{\CYRK}{\cyro}{\cyrn}{\cyrk}{\cyru}{\cyrr}{\cyrs} {{\guillemotleft}{\CYRM}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyra}} 6--8{\guillemotright}}, journal = {Kvant}, pages = {59--60}, publisher = {mathdoc}, number = {2}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2009_2_a19/} }
Конкурс «Математика 6--8». Kvant, no. 2 (2009), pp. 59-60. http://geodesic.mathdoc.fr/item/KVANT_2009_2_a19/