Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2015_3_a26, title = {{\CYRM}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyrk}{\cyro}{\cyrn}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyrya} {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv}}, journal = {Kvant}, pages = {54}, publisher = {mathdoc}, number = {3}, year = {2015}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2015_3_a26/} }
Московская математическая конференция школьников. Kvant, no. 3 (2015). http://geodesic.mathdoc.fr/item/KVANT_2015_3_a26/