PageHeader : Funkcialaj Ekvacioj, 35 (1992) 557-570 Title : Existence of Nonoscillatory Solutions of nth Title : Order Neutral Delay Differential Equations AuthorInfo : By AuthorInfo : Yongshao CHEN AuthorInfo : (South China Normal University, P. R. C.) section : 1. Introduction section : 2. Main results Theorem 1. Suppose that $|c|\neq 1$ , $xf(t, x)>0$ (x $ \neq 0)$ and $|f(t, x)|\leq$ section : References