Oystaeyen, F. van,  1947. <br/><br/>
Relative invariants of rings:  the noncommutative theory/ 
F. Van Ostaeyen, A. Verschoren. 
 - New York:  M. Dekker,  1984. 
 - 286p.;  24 cm. 
 - Monographs and textbooks in pure and applied mathematics  86. .
<br/><br/>Includes index. Bibliography: p.270-279. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Noncommutative rings.<br/>Invariants.