Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2021_1_a12, author = {K. Parfenov}, title = {{\CYRO}{\cyrl}{\cyri}{\cyrm}{\cyrp}{\cyri}{\cyra}{\cyrd}{\cyra} {{\guillemotleft}{\CYRP}{\cyro}{\cyrk}{\cyro}{\cyrr}{\cyri}} {{\CYRV}{\cyro}{\cyrr}{\cyro}{\cyrb}{\cyrsftsn}{\cyre}{\cyrv}{\cyrery}} {\cyrg}{\cyro}{\cyrr}{\cyrery}!{\guillemotright}}, journal = {Kvant}, pages = {53--56}, publisher = {mathdoc}, number = {1}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2021_1_a12/} }
K. Parfenov. Олимпиада «Покори Воробьевы горы!». Kvant, no. 1 (2021), pp. 53-56. http://geodesic.mathdoc.fr/item/KVANT_2021_1_a12/