Troelstra, A.S. <br/><br/>
Constructivism in mathematics Volume 1:  An introduction/ 
By A.S. Troelstra and D. van Dalen, 
 - Amsterdam:  Elsevier,  1988. 
 - 342 p.: 
<br/><br/><label>ISBN: </label>9780444705068 
<br/><br/><label>Subjects--Personal Names: </label>
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>LC Class. No.: </label>QA 9.56  / TRO 1988