Representations of Locally Inverse *-Semigroups. - Teruo Imaoka; Isamu Inata; Hiroaki Yokoyama (Int. J. Algebra Comput., 1996)

Prehomomorphisms on Locally Inverse ast-Semigroups. - Teruo Imaoka (Words, Semigroups, and Transductions, 2001)