TY  - BOOK
ED  - Conference on orders, group rings and related topics (1972 : Ohio)
TI  - Proceeding on order groups rings and related topics
T2  - Lecture notes in mathematics; 353
U1  - B25p1,N72, L3 
PY  - 1973///
CY  - Berlin
PB  - Springer-Verlag         
KW  -  Higher algebra
KW  - Mathematics
ER  -