Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2019_11_a17, title = {{\CYRI}{\cyrn}{\cyrzh}{\cyre}{\cyrn}{\cyre}{\cyrr}{\cyrn}{\cyra}{\cyrya} {\cyro}{\cyrl}{\cyri}{\cyrm}{\cyrp}{\cyri}{\cyra}{\cyrd}{\cyra} {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv}}, journal = {Kvant}, pages = {60--62}, publisher = {mathdoc}, number = {11}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2019_11_a17/} }
Инженерная олимпиада школьников. Kvant, no. 11 (2019), pp. 60-62. http://geodesic.mathdoc.fr/item/KVANT_2019_11_a17/