Weyl, Hermann. <br/><br/>
Philosophy of mathematics and natural science /  
by Hermann Weyl. 
 - rev. and augm. english edition 
 - Princeton :   Princeton University Press,   1949 
<br/><br/> Based on a translation by Olaf Helmer 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANALISIS MATEMATICO<br/>NUMEROS NATURALES
<br/><br/><label>Universal Decimal Class. No.: </label>517