Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2017_2_a0, author = {A. M. Raigorodskii}, title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\guillemotleft}{\cyro}{\cyrl}{\cyri}{\cyrm}{\cyrp}{\cyri}{\cyra}{\cyrd}{\cyrn}{\cyro}{\cyrishrt}{\guillemotright} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyre} {\cyrp}{\cyrr}{\cyro} {\cyrg}{\cyrr}{\cyra}{\cyrf}{\cyrery}}, journal = {Kvant}, pages = {2--8}, publisher = {mathdoc}, number = {2}, year = {2017}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2017_2_a0/} }
A. M. Raigorodskii. Об одной «олимпиадной» задаче про графы. Kvant, no. 2 (2017), pp. 2-8. http://geodesic.mathdoc.fr/item/KVANT_2017_2_a0/