Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2021_11_a19, title = {{\CYRF}{\cyri}{\cyrz}{\cyri}{\cyrk}{\cyro}-{\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyro}{\cyrl}{\cyri}{\cyrm}{\cyrp}{\cyri}{\cyra}{\cyrd}{\cyra} {``{\CYRF}{\cyri}{\cyrz}{\cyrt}{\cyre}{\cyrh}''}}, journal = {Kvant}, pages = {49--57}, publisher = {mathdoc}, number = {11}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2021_11_a19/} }
Физико-математическая олимпиада ``Физтех''. Kvant, no. 11 (2021), pp. 49-57. http://geodesic.mathdoc.fr/item/KVANT_2021_11_a19/