Bernays, Paul,  1888- <br/><br/>
Axiomatic set theory / 
Paul Bernays ; with a historical introduction by Abraham A. Fraenkel 
 - 2nd ed. 
 - Amsterdam :  North-Holland,  1968 
 - viii, 227 p. ;  23 cm. 
 - Studies in logic and the foundations of mathematics .
<br/><br/>Bibliography : p. 219-227. Includes indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Axiomatic set theory