TY - JOUR AU - I. T. Kiguradze TI - Monotonic solutions of $n$th-order nonlinear ordinary differential equations JO - Doklady Akademii Nauk PY - 1968 SP - 1054 EP - 1057 VL - 181 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_181_5_a6/ LA - ru ID - DAN_1968_181_5_a6 ER -