Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2011_4_a12, author = {A. Spivak}, title = {{\CYRB}{\cyri}{\cyrs}{\cyrs}{\cyre}{\cyrk}{\cyrt}{\cyrr}{\cyri}{\cyrs}{\cyra} {\cyri} {\cyrs}{\cyru}{\cyrm}{\cyrm}{\cyra} {\cyrs}{\cyri}{\cyrn}{\cyru}{\cyrs}{\cyro}{\cyrv}}, journal = {Kvant}, pages = {62}, publisher = {mathdoc}, number = {4}, year = {2011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2011_4_a12/} }
A. Spivak. Биссектриса и сумма синусов. Kvant, no. 4 (2011). http://geodesic.mathdoc.fr/item/KVANT_2011_4_a12/