
π-INVERSE SEMIGROUP WHOSE LATTICE OF π-INVERSE SUBSEMIGROUPS IS MODULAR
Tian Zhenji
Journal of Systems Science and Mathematical Sciences ›› 1997, Vol. 17 ›› Issue (3) : 226-231.
π-INVERSE SEMIGROUP WHOSE LATTICE OF π-INVERSE SUBSEMIGROUPS IS MODULAR
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