Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2015_1_a1, author = {E. Sokolov}, title = {{\CYRD}{\cyrv}{\cyra} {\cyrg}{\cyrr}{\cyra}{\cyrf}{\cyra}}, journal = {Kvant}, pages = {2--6}, publisher = {mathdoc}, number = {1}, year = {2015}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2015_1_a1/} }
E. Sokolov. Два графа. Kvant, no. 1 (2015), pp. 2-6. http://geodesic.mathdoc.fr/item/KVANT_2015_1_a1/