π-Inverse Semigroups whose Lattice of π-Inverse Subsemigroups is 0-Distributive or 0-Modular Zhenji Tian Pages: 334 - 338
Analytic Semigroups on C [0,1] Generated by Some Classes of Second Order Differential Operators Angelo FaviniSilivia Romanelli Pages: 362 - 372
A Characterization of *-Congruences on a Regular *-Semigroup Younki ChaeSang Youl LeeChan-Young Park Pages: 442 - 445