Colloquium on Infinite and Finite Sets <br/><br/>
Infinite and finite sets. /  

 - amsterdan :  North-Holland Publishing Company  1975. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Erdös, P.I.
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANALISIS COMBINATORIO--CONGRESOS.<br/>TEORIA DE CONJUNTOS--CONGRESOS.