Jurgensen H Ed. Proceeding on semigroups theory and applications Jurgensen H Ed.; Lallement G Ed.; Weinert H J Ed. - Berlin Springer Verlag 1988 - vii,416p. cm. - Lecture Notes in Mathematics; 1320 . Standard No.: 19893 Source: Textual Dewey Class. No.: B27p1,N86, M8