Cohn, P M Algebra - - London Wiley Eastern 1974 - v.1. 1974 xi, 321 p.: Biblig.p.312 ISBN: ISSN: Subjects--Index Terms: Mathematics Number theory Set theory Group theory Matheatical sciences Arithmetic Set theory Numbers theory of numbers Number theory Group theory Algebra Mathematics Set theory Algebra Number theory Probabilities Group theory Dewey Class. No.: