TY - JOUR AU - V. P. Fedosov AU - N. N. Yanenko TI - Equations with partial derivatives of half-integral degree JO - Doklady Akademii Nauk PY - 1984 SP - 804 EP - 808 VL - 276 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1984_276_4_a6/ LA - ru ID - DAN_1984_276_4_a6 ER -