PageHeader : Funkcialaj Ekvacioj, 38 (1995) 539-544 Title : On Solutions to $u_{tt}-|x|^{a}\Delta u=f(u)$ $(\alpha>0)$ AuthorInfo : By AuthorInfo : Yukiyoshi EBIHARA, Shuichi KAWASHIMA and Howard A. LEVINE AuthorInfo : (Fukuoka Univ., Japan, Kyushu Univ., Japan and Iowa State Univ., USA) section : 1. The case $f(u)=-|u|^{p-1}u$ and $\alpha=2$ section : 2. The case $f(u)=|u|^{p-1}u$ and $\alpha>0$ section : References