TY - GEN AU - Okninski, Jan TI - Semigroup algebras T2 - Monographs and textbooks in pure and applied mathematics; 138) SN - 9780367832216 U1 - 512.27 23rd.ed. PY - 1991/// CY - New York PB - Marcel Dekker KW - Semigroup algebras KW - Semigroup rings KW - Noncommutative rings N1 - Includes bibliographical references and index ER -