Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2021_6_a13, author = {E. Epifanov}, title = {LXXXIV {{\CYRM}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyra}{\cyrya}} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyro}{\cyrl}{\cyri}{\cyrm}{\cyrp}{\cyri}{\cyra}{\cyrd}{\cyra} {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv}}, journal = {Kvant}, pages = {40--41}, publisher = {mathdoc}, number = {6}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2021_6_a13/} }
E. Epifanov. LXXXIV Московская математическая олимпиада школьников. Kvant, no. 6 (2021), pp. 40-41. http://geodesic.mathdoc.fr/item/KVANT_2021_6_a13/