10.1090/S0002-9939-03-07325-8
Li, Pengtong, Lu, Shijie, Ma, JipuVolume:
132
Language:
english
Journal:
Proceedings of the American Mathematical Society
DOI:
10.1090/S0002-9939-03-07325-8
Date:
July, 2004
File:
PDF, 158 KB
english, 2004