Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2010_1_a13, author = {A. Kotova}, title = {{\CYRP}{\cyro}{\cyrd}{\cyrv}{\cyri}{\cyrg} {\cyryu}{\cyrn}{\cyro}{\cyrg}{\cyro} {{\CYRB}{\cyre}{\cyrr}{\cyrt}{\cyro}{\cyrl}{\cyrsftsn}{\cyrd}{\cyra}}}, journal = {Kvant}, pages = {37--38}, publisher = {mathdoc}, number = {1}, year = {2010}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2010_1_a13/} }
A. Kotova. Подвиг юного Бертольда. Kvant, no. 1 (2010), pp. 37-38. http://geodesic.mathdoc.fr/item/KVANT_2010_1_a13/