Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2008_4_a2, author = {V. Protasov}, title = {{\CYRK}{\cyra}{\cyrs}{\cyra}{\cyryu}{\cyrshch}{\cyri}{\cyre}{\cyrs}{\cyrya} {\cyro}{\cyrk}{\cyrr}{\cyru}{\cyrzh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri}: {\cyro}{\cyrt} {{\CYRT}{\cyre}{\cyrb}{\cyro}} {\cyrd}{\cyro} {{\CYRF}{\cyre}{\cyrishrt}{\cyre}{\cyrr}{\cyrb}{\cyra}{\cyrh}{\cyra}}}, journal = {Kvant}, pages = {10--15}, publisher = {mathdoc}, number = {4}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2008_4_a2/} }
V. Protasov. Касающиеся окружности: от Тебо до Фейербаха. Kvant, no. 4 (2008), pp. 10-15. http://geodesic.mathdoc.fr/item/KVANT_2008_4_a2/