TY - JOUR AU - PalumbĂ­ny, Oleg TI - On the existence of monotone solutions to a certain class of $n$-th order nonlinear differential equations JO - Mathematica slovaca PY - 1997 SP - 527 EP - 537 VL - 47 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1997__47_5_a4/ LA - en ID - MASLO_1997__47_5_a4 ER -