Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2018_3_a18, title = {{\CYRD}{\cyro}{\cyrk}{\cyra}{\cyrz}{\cyra}{\cyrt}{\cyrsftsn} {\cyrd}{\cyre}{\cyrl}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrp}{\cyro}{\cyrm}{\cyro}{\cyrzh}{\cyre}{\cyrt} {\cyrk}{\cyro}{\cyrm}{\cyrb}{\cyri}{\cyrn}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyri}{\cyrk}{\cyra}}, journal = {Kvant}, pages = {53--55}, publisher = {mathdoc}, number = {3}, year = {2018}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2018_3_a18/} }
Доказать делимость поможет комбинаторика. Kvant, no. 3 (2018), pp. 53-55. http://geodesic.mathdoc.fr/item/KVANT_2018_3_a18/