Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2005_4_a21, title = {{\CYRT}{\cyro}{\cyrch}{\cyrk}{\cyra} {\cyrv}{\cyrn}{\cyru}{\cyrt}{\cyrr}{\cyri} {\cyro}{\cyrk}{\cyrr}{\cyru}{\cyrzh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri}}, journal = {Kvant}, pages = {60}, publisher = {mathdoc}, number = {4}, year = {2005}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2005_4_a21/} }
Точка внутри окружности. Kvant, no. 4 (2005). http://geodesic.mathdoc.fr/item/KVANT_2005_4_a21/