01300nam a2200373 i 450099100132673970753620020507191421.0950828s1981 de ||| | eng 3540107010b1083199x-39ule_instLE01310558ExLDip.to Matematicaengengfreger510512.2AMS 20-06AMS 20-XXAMS 20MJurgensen, Helmut348794Semigroups :proceedings of a conference held at Oberwolfach, Germany December 16-21, 1978 /edited by H. Jurgensen, M. Petrich, and H. J. WeinertBerlin :Springer-Verlag,1981iv, 221 p. :ill. ;25 cm.Lecture notes in mathematics,0075-8434 ;855Includes bibliographiesGroup theoryCongressesSemigroupsCongressesPetrich, MarioWeinert, Hanns Joachim.b1083199x23-02-1728-06-02991001326739707536LE013 20-XX JUR11 (1981)12013000034041le013-E0.00-l- 00000.i1094102228-06-02Semigroups923720UNISALENTOle01301-01-95ma -engde 01