Semigroups: proceedings of a conference held oberwolfach, Germany December, 16-21, 1978 / edited by H.Jurgensen M.Petrich and H.J. Weiner. - Berlin: Springer-Verlag, 1981. - 221p.: ill.; 25 cm. - Lecture notes in mathematics 855. .

Includes bibliographies.


gerengfre.


Semigroups--Congresses.