Representations of finite-dimensional algebras  
Gabriel, Peter, 
 - Berlin:   Springer, 
 - 177 p. :  ill. ;  24 cm. 
 - volume 73 of the Encyclopaedia of mathematical sciences"--T.p. verso." .
<br/><br/> Second printing 1997 of the first edition 1992 
<br/><br/><label>ISBN: </label>3540629904 (acid-free paper) | 9783540537328