Fraenkel A.A. <br/><br/>
Foundations of set theory. 
Fraenkel A.A., Bar-Hillel Y. 
 - Amsterdam  North Holland Publ. Comp.  1958 
 - 425 p. 
<br/><br/> Studies in Logic and the Foundations of Mathematics 
<br/><br/><label>Dewey Class. No.: </label>510.2