J4 ›› 2009, Vol. 44 ›› Issue (6): 25-28.
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ZHONG Xiaojing
CLC Number:
[1] | . Determination of closure systems [J]. J4, 2009, 44(6): 18-21. |
[2] | . A note on spaces with property (A) [J]. J4, 2009, 44(6): 22-24. |
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