On the theory of nonlocal symmetries of nonlinear partial
Doklady Akademii Nauk, Tome 275 (1984) no. 5, pp. 1044-1049
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@article{DAN_1984_275_5_a3,
author = {A. M. Vinogradov and I. S. Krasil'shchik},
title = {On the theory of nonlocal symmetries of nonlinear partial},
journal = {Doklady Akademii Nauk},
pages = {1044--1049},
publisher = {mathdoc},
volume = {275},
number = {5},
year = {1984},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1984_275_5_a3/}
}
A. M. Vinogradov; I. S. Krasil'shchik. On the theory of nonlocal symmetries of nonlinear partial. Doklady Akademii Nauk, Tome 275 (1984) no. 5, pp. 1044-1049. http://geodesic.mathdoc.fr/item/DAN_1984_275_5_a3/