Polish Academy of Sciences, Institution of Mathematics <br/><br/>
Topics in algebra; proceedings of the 31st semester, held at the Stefan Banach International Mathematical Center in Warsaw from Feb. 15 June 15, 1988   
Ed. by Stanislaw Balcerzyk and Others 
 - Warszawa  Polish Scientific Publishers  1990 
 - 
 - Banach Center Publications   v. 26. Pt. I & II .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>512  / P768.TA