Semigroups. Theory and Applications: Proceedings of a Conference held in Oberwolfach, FRG, Feb. 23 - Mar. 1, 1986 Lecture Notes in Mathematics, nr. 1320 Editat de Helmut Jürgensen et al. 8 iun 1988 Paperback Preț: 422.65 lei 6-8 săpt.
