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A method of computing higher symmetries of nonlinear evolution equations, and nonlocal symmetries. (English. Russian original) Zbl 0498.35076
Sov. Math., Dokl. 22, 235-239 (1980); translation from Dokl. Akad. Nauk SSSR 253, 1289-1293 (1980).

MSC:
35Q99 Partial differential equations of mathematical physics and other areas of application
35A30 Geometric theory, characteristics, transformations in context of PDEs
35G10 Initial value problems for linear higher-order PDEs
35K25 Higher-order parabolic equations
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