TY - JOUR AU - Yu. E. Anikonov AU - M. V. Neshchadim TI - Differential identities for nonlinear equations with partial derivatives JO - Sibirskij žurnal čistoj i prikladnoj matematiki PY - 2015 SP - 21 EP - 28 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VNGU_2015_15_1_a1/ LA - ru ID - VNGU_2015_15_1_a1 ER -