Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2021_4_a15, title = {{\CYRI}{\cyrshch}{\cyre}{\cyrm} ``{\cyrerev}{\cyrk}{\cyrs}{\cyrt}{\cyrr}{\cyre}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrishrt}'' {\cyrerev}{\cyrk}{\cyrs}{\cyrt}{\cyrr}{\cyre}{\cyrm}{\cyru}{\cyrm}}, journal = {Kvant}, pages = {44}, publisher = {mathdoc}, number = {4}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2021_4_a15/} }
Ищем ``экстремальный'' экстремум. Kvant, no. 4 (2021). http://geodesic.mathdoc.fr/item/KVANT_2021_4_a15/