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@article{DAN_1985_283_6_a10, author = {V. E. Zakharov and E. I. Shulman}, title = {The scattering matrix and integrability of classical wave systems}, journal = {Doklady Akademii Nauk}, pages = {1325--1328}, publisher = {mathdoc}, volume = {283}, number = {6}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1985_283_6_a10/} }
V. E. Zakharov; E. I. Shulman. The scattering matrix and integrability of classical wave systems. Doklady Akademii Nauk, Tome 283 (1985) no. 6, pp. 1325-1328. http://geodesic.mathdoc.fr/item/DAN_1985_283_6_a10/