Naive set theory 
Halmos, Paul R. 
 - New York,  Springer-Verlag  1974 
 - vii, 104 p.  24 cm. 
<br/><br/> Reprint of the 1960 ed. published by Van Nostrand, Princeton, N.J., in series: The University series in undergraduate mathematics. 
<br/><br/><label>ISBN: </label>387900926