摘要
非齐次超双曲型方程的特征问题@高帆...
The exitence and untqueness of characteristic sotution are proved for a class of nonhomogeneous ultrahyperbolic equations by using generalized Asgeirsson mean value theorem.
出处
《西北大学学报（自然科学版）》
CAS
CSCD
1996年第5期383-385,共3页
Journal of Northwest University（Natural Science Edition）
关键词
超双曲型方程
特征问题
基本解
解
存在性
ultrahyperbolic equation
characteristic problem
identical formula
elementary solution
mean value
