TY  - BOOK
AU  - Handelman David Ed.
AU  -  Lawrece John Ed.
ED  - Conference on ring theory watsrloo (1978 : Canada)
TI  - Proceeding of ring theory waterloo
T2  - Lecture notes in mathematics; 734
U1  - B217p1,N78, L8 
PY  - 1978///
CY  - Berlin
PB  - Springer-Verlag         
KW  - Combinatorial theory
ER  -