TY - JOUR AU - A. V. Mikhailov AU - A. B. Shabat AU - R. I. Yamilov TI - The~symmetry approach to the classification of non-linear equations. Complete lists of integrable systems JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1987 SP - 1 EP - 63 VL - 42 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1987_42_4_a0/ LA - en ID - RM_1987_42_4_a0 ER -