Lx1968
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P. Lax. Integrals of nonlinear equations of evolution and solitary waves. CPAM, 21 (1968), 467-490. MathSciNet, arXiv.
P. Lax. Integrals of nonlinear equations of evolution and solitary waves. CPAM, 21 (1968), 467-490. MathSciNet, arXiv.