TY - JOUR AU - Yu. E. Anikonov TI - Differential identities for partial differential equations JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2014 SP - 11 EP - 17 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2014_17_2_a1/ LA - ru ID - SJIM_2014_17_2_a1 ER -