ISBN 3540123210 books & textbook
Recent Developments in the Algebraic, Analytical, and Topological Theory of Semigroups: Proceedings of a Conference held at Oberwolfach, Germany, May 24-30, 1981 (Lecture Notes in Mathematics, 998)
Hofmann, K.H. Jürgensen, H. Weinert, H.J.
Springer /1983-06-01 Paperback / 500 Pages
isbn-10: 3540123210 / isbn-13: 9783540123217