%0 Journal Article %A A. V. Kiselev %T Methods of geometry of differential equations in analysis of integrable models of field theory %J Fundamentalʹnaâ i prikladnaâ matematika %D 2004 %P 57-165 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2004_10_1_a6/ %G ru %F FPM_2004_10_1_a6