Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2009_3_a6, author = {V. Drozdov}, title = {{\CYRN}{\cyru}{\cyrl}{\cyre}{\cyrv}{\cyrery}{\cyre} {\guillemotleft}{\cyrl}{\cyri}{\cyrn}{\cyrz}{\cyrery}{\guillemotright}}, journal = {Kvant}, pages = {41}, publisher = {mathdoc}, number = {3}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2009_3_a6/} }
V. Drozdov. Нулевые «линзы». Kvant, no. 3 (2009). http://geodesic.mathdoc.fr/item/KVANT_2009_3_a6/