@book{3282,
	author = {Tachikawa, Hiroyuki, and Ringel, Claus Michael.},
	title = {Quasi-Frobenius rings and generalizations :},
	publisher = {Springer-Verlag,},
	year = {1973},
	series = {Lecture notes in mathematics (Springer-Verlag) / Edited by A. Dold and B. Eckmann ; },
	address = {Berlin :}
}