PageHeader : Funkcialaj Ekvacioj, 17 (1974), 193-205 Title : On a Bound for Periods of Solutions of Title : a Certain Nonlinear Differential Epuation (II) AuthorInfo : By Tominosuke OTSUKI AuthorInfo : (Tokyo Institute of Technology) section : 0. Introduction. section : 1. Preliminaries. section : 2. Properties of $F(x)$ . Lemma 2. 1. $n/2<\Lambda2$ . section : 3. An Estimation of $\gamma$ for $2