00836nam0-22002891i-450-99000100055040332120040517160956.0000100055FED01000100055(Aleph)000100055FED0100010005520020001d--------km-y0itay50------baengRing TheoryProceedings of a Conference on Ring Theory held in Park City, Utah March 2-6, 1971edited by Robert GordonNew York [etc.]Academic Press1972AlgebraTeoria delle equazioniCalcolo vettoriale512Gordon,Robert47286ITUNINARICAUNIMARCBK99000100055040332110-112F9137FI1FI1Ring Theory354495UNINA