학술논문
Existence of periodic solution for system of semilinear wave equations at nonreasonance
Document Type
Article
Author
Source
In: Lanzhou Daxue Xuebao/Journal of Lanzhou University . (Lanzhou Daxue Xuebao/Journal of Lanzhou University, April 2001, 37(2):7)
Subject
Language
English
ISSN
04552059