Tachikawa, Hiroyuki,  1930- <br/><br/>
Quasi-Frobenius rings and generalizations:  QF-3 and QF-1 rings/ 
notes by Claus Michael Ringel. 
 - Berlin:  New York:  Springer-Verlag,  1973. 
 - x, 172 p.:  25 cm. 
 - Lecture notes in mathematics;  351. .
 - Lecture notes in mathematics (Springer-Verlag);  351. .
<br/><br/>Bibliography: p. 168-172. 
<br/><br/><label>ISBN: </label>0387065016 (New York) 
<br/><br/><label>LCCN: </label>73014490 //r85 
<br/><br/><label>Nat. Bib. No.: </label>GFR*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quasi-Frobenius rings
<br/><br/><label>Dewey Class. No.: </label>510/.8 s  512/.4