TY - JOUR AU - V. Kh. Salikhov TI - On the differential irreducibility of a class of differential equations JO - Doklady Akademii Nauk PY - 1977 SP - 30 EP - 33 VL - 235 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_235_1_a5/ LA - ru ID - DAN_1977_235_1_a5 ER -