TY - BOOK ED - Conference on Ring Theory (1971: Park City: Utah) TI - Ring theory: proceedings of a conference on ring theory held in Park City, Utah March 2-6, 1971 SN - 0-12-291350-7 AV - MATH QA247.C67 PY - 1972/// CY - New York. PB - Academic Press KW - Rings (Algebra) KW - Congresses N1 - Includes bibliographical references ER -