Troelstra A S <br/><br/>
Principles of intuitionism. 

 - New York     Springer Verlag          1969 
 - 111p.  cm. 
<br/><br/><label>Standard No.: </label>138950 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R14, K9