Topology  : [proceedings of a conference 
/ organized by bolyai Janos Mothematical society; ed. by A. Cooszar 
. - New york  : Noth-Holland publishing company, 1980
. - 1260 p.  ; 24 cm. 
 - colloque quid mathematical societatis janos bolyai  23  01393383 .
<br/><br/>bibliogr 
<br/><br/><label>ISBN: </label>9638021314 
<br/><br/><label>Source: </label> don 
<br/><br/><label>Universal Decimal Class. No.: </label>513.83.