中国科学院数学与系统科学研究院期刊网
The Sufficient and Necessary Condition for Normality of Product of Two GO-Spaces
Li Wen MA(1),Shang Zhi WANG(2)
Acta Mathematica Sinica, Chinese Series . 2004, (1): 141 -148 .  DOI: 10.12386/A2004sxxb0020