Author: Guo Shunsheng Qi Qiulan
Publisher: Springer Publishing Company
ISSN: 0011-4642
Source: Czechoslovak Mathematical Journal, Vol.56, Iss.3, 2006-09, pp. : 789-803
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract