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@article{DAN_1994_335_1_a10, author = {A. S. Venetskii and V. A. Kaloshin}, title = {The design of an axially symmetric gradient lens when one of the}, journal = {Doklady Akademii Nauk}, pages = {39--41}, publisher = {mathdoc}, volume = {335}, number = {1}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1994_335_1_a10/} }
A. S. Venetskii; V. A. Kaloshin. The design of an axially symmetric gradient lens when one of the. Doklady Akademii Nauk, Tome 335 (1994) no. 1, pp. 39-41. http://geodesic.mathdoc.fr/item/DAN_1994_335_1_a10/