Volume 90, Issue 2, April 2015

ISSN: 0037-1912 (Print) 1432-2137 (Online)

In this issue (14 articles)

  1. No Access

    RESEARCH ARTICLE

    *-Annihilators in proper *-semigroups

    Tristan Bice Pages 425-448
  2. No Access

    RESEARCH ARTICLE

    On varieties of ordered semigroups

    Martin Kuřil Pages 475-490