A First Course in Noncommutative Rings - Tsit-Yuen Lam - Google Books

http://books.google.de/books?id=2T5DAAAAQBAJ&pg=PA4&lpg=PA4&dq=dedekind+finite+ring&source=bl&ots=PVpvavFDkN&sig=dwGK8oLJIpgBLe2

This book, an outgrowth of the author¿s lectures at the University of California at Berkeley, is intended as a textbook for a one-semester course in basic ring theory. The material covered includes the Wedderburn-Artin theory of semisimple rings,…