Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2019_9_a3, author = {N. Vyatkin}, title = {{\CYRT}{\cyro}{\cyrch}{\cyrk}{\cyra} {{\CYRN}{\cyra}{\cyrg}{\cyre}{\cyrl}{\cyrya}} {\cyri} {\cyro}{\cyrk}{\cyrr}{\cyru}{\cyrzh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyrya}{\cyrt}{\cyri} {\cyrt}{\cyro}{\cyrch}{\cyre}{\cyrk}}, journal = {Kvant}, pages = {25--30}, publisher = {mathdoc}, number = {9}, year = {2019}, language = {ru}, url = {https://geodesic-test.mathdoc.fr/item/KVANT_2019_9_a3/} }
N. Vyatkin. Точка Нагеля и окружности пяти точек. Kvant, no. 9 (2019), pp. 25-30. https://geodesic-test.mathdoc.fr/item/KVANT_2019_9_a3/