Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MP_2019_a13, author = {A. Yu. Evnin}, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {\cyro} {\cyrl}{\cyrya}{\cyrg}{\cyru}{\cyrsh}{\cyrk}{\cyre}}, journal = {Matematicheskoe Prosveshchenie}, pages = {168--174}, publisher = {mathdoc}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MP_2019_a13/} }
A. Yu. Evnin. Задача о лягушке. Matematicheskoe Prosveshchenie, Matematicheskoe Prosveshchenie (2019), pp. 168-174. http://geodesic.mathdoc.fr/item/MP_2019_a13/