TY  - BOOK
AU  - Jurgensen H
ED  - Conference on Semigroups( 1986 : Oberwolfach, FRG )
ED  - Conference on Semigroups
TI  - Semigroups: theory and applications: proceedings
SN  - 3-540-19347-2
U1  - 512.2 
PY  - 1988///
CY  - Berlin
PB  - Springer-Verlag
KW  - Semigroups
ER  -