Cardinal numbers of some sets (Ⅱ)
Cardinal numbers of some sets (Ⅱ)
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引用本文: | 杨安洲, 卢朱祁, 陈培丽. Cardinal numbers of some sets (Ⅱ)[J]. 北京工业大学学报, 1982, 8(3): 132-132. |
Citation: | Yang An-zhou, Lu Zhu-qi, Chen Pei-li. Cardinal numbers of some sets (Ⅱ)[J]. Journal of Beijing University of Technology, 1982, 8(3): 132-132. |