Hajnal A Ed. <br/><br/>
Infinite and finite sets.3V. 
Hajnal A Ed. 
 -  1975 
<br/><br/><label>Standard No.: </label>125969 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B31, L5.1-.3