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@article{DAN_1973_212_3_a15, author = {A. V. Tulub}, title = {A new derivation of nonlinear optics formulas}, journal = {Doklady Akademii Nauk}, pages = {584--587}, publisher = {mathdoc}, volume = {212}, number = {3}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_212_3_a15/} }
A. V. Tulub. A new derivation of nonlinear optics formulas. Doklady Akademii Nauk, Tome 212 (1973) no. 3, pp. 584-587. http://geodesic.mathdoc.fr/item/DAN_1973_212_3_a15/