J4 ›› 2009, Vol. 44 ›› Issue (9): 66-69.
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ZHANG Xiao-Min
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[1] | LUO Yong-gui. Non-group rank and relative rank of the semigroup W(n,r) [J]. J4, 2013, 48(12): 70-74. |
[2] | BI Xiao-Dong. Tensor product of left quasinormal bands [J]. J4, 2009, 44(8): 39-41. |
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