10.1090/s0002-9939-05-07407-1
Shen, Junhao, Zhang, XiaoxiaVolume:
133
Language:
english
Journal:
Proceedings of the American Mathematical Society
DOI:
10.1090/s0002-9939-05-07407-1
Date:
August, 2005
File:
PDF, 144 KB
english, 2005