TY - BOOK AU - McDonald Bernard R Ed. AU - Magid Andy R Ed. AU - Smith Kirby Ed. ED - Conference on ring theory (1973 : Oklahoma) TI - Proceeding on ring theory T2 - Lecture notes in pure and applied mathematics U1 - B217p1,N73, L4 PY - 1974/// CY - New York PB - Marcel Dekker KW - Combinatorial theory ER -