Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2012_1_a12, author = {A. Skutin}, title = {{\CYRE}{\cyrshch}{\cyre} {\cyrr}{\cyra}{\cyrz} {\cyro}{\cyrb} {\cyro}{\cyrp}{\cyri}{\cyrs}{\cyra}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrch}{\cyre}{\cyrt}{\cyrery}{\cyrr}{\cyre}{\cyrh}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyra}{\cyrh}}, journal = {Kvant}, pages = {12--13}, publisher = {mathdoc}, number = {1}, year = {2012}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2012_1_a12/} }
A. Skutin. Еще раз об описанных четырехугольниках. Kvant, no. 1 (2012), pp. 12-13. http://geodesic.mathdoc.fr/item/KVANT_2012_1_a12/