Halmos, Paul R. <br/><br/>
Naive Set Theory  / 
Paul R. Halmos 
 - New York :   Springer,  1960 
 - 104 p. ;   25 cm.  (Estantería Dr. Cordomí) 
<br/><br/><label>ISBN: </label>9780387900926 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economía
<br/><br/><label>Subjects--Index Terms: </label>TEXTS IN MATHEMATICS AXIOM OF EXTENSION RELATIONS FUNCTIONS