TY - JOUR AU - V. V. Kurta TI - Some qualitative properties of solutions of an equation of mean JO - Doklady Akademii Nauk PY - 1991 SP - 804 EP - 807 VL - 320 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a6/ LA - ru ID - DAN_1991_320_4_a6 ER -