Tachikawa, Hiroyuki <br/><br/>
Quasi-Frobenius rings and generalizations  QF-3 and QF-1 rings 
Hiroyuki Tachikawa; notes by Claus Michael Ringel 
 - Berlin  New York  Springer-Verlag  c1973 
 - x, 172 p  25 cm 
 - Lecture notes in mathematics  351  ISSN 0075-8434 .
 - Lecture notes in mathematics (Springer-Verlag) .
<br/><br/> Cuprinde bibliografie 
<br/><br/><label>ISBN: </label>0387065016 (New York) 354065016(Berlin) 
<br/><br/><label>LCCN: </label>73014490 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quasi-Frobenius rings
<br/><br/><label>Dewey Class. No.: </label>510/.8 s  512/.4