Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2009_4_a7, author = {A. Egorov}, title = {{\CYRM}{\cyro}{\cyrd}{\cyru}{\cyrl}{\cyrsftsn} {\cyrs}{\cyru}{\cyrm}{\cyrm}{\cyrery} {\cyri} {\cyrs}{\cyru}{\cyrm}{\cyrm}{\cyra} {\cyrm}{\cyro}{\cyrd}{\cyru}{\cyrl}{\cyre}{\cyrishrt}}, journal = {Kvant}, pages = {46--48}, publisher = {mathdoc}, number = {4}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2009_4_a7/} }
A. Egorov. Модуль суммы и сумма модулей. Kvant, no. 4 (2009), pp. 46-48. http://geodesic.mathdoc.fr/item/KVANT_2009_4_a7/