摘要
当M是局部紧致的度量空间时。
A result is obtained, which is more meticulous than Ekelands variational principle provided that M is a locally compact metric space.
出处
《兰州大学学报(自然科学版)》
CAS
CSCD
北大核心
1997年第3期1-4,共4页
Journal of Lanzhou University(Natural Sciences)