Infinite and finite sets :  to Paul Erdős on his 60th birthday / 
edited by A. Hajnal, R. Rado and Vera T. Sós. 
 - Amsterdam :  North-Holland Pub. Co.,  c1975. 
 - V. :  ill. ;  25 cm. 
 - Colloquia mathematica Societatis János Bolyai ;  v. 10 .
 - Colloquia mathematica Societatis János Bolyai ; .
<br/><br/>Vol. i,ii, iii--- 
<br/><br/><label>ISBN: </label>0720428149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis--Congresses.<br/>Set theory--Congresses.
<br/><br/><label>Dewey Class. No.: </label>511.6  / INF  1975