Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2007_4_a24, title = {{\CYRM}{\cyrn}{\cyro}{\cyrzh}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyro} {\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyri}}, journal = {Kvant}, pages = {59}, publisher = {mathdoc}, number = {4}, year = {2007}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2007_4_a24/} }
Множество значений функции. Kvant, no. 4 (2007). http://geodesic.mathdoc.fr/item/KVANT_2007_4_a24/