%0 Journal Article %A Peter D. Lax %T Integrals of nonlinear equations of evolution and solitary waves %J Matematika %D 1969 %P 128-150 %V 13 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAT_1969_13_5_a6/ %G ru %F MAT_1969_13_5_a6