TY - JOUR AU - A. V. Kiselev TI - Methods of geometry of differential equations in analysis of integrable models of field theory JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2004 SP - 57 EP - 165 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2004_10_1_a6/ LA - ru ID - FPM_2004_10_1_a6 ER -