Freudenthal, Hans,  1905- <br/><br/>
Didactical phenomenology of mathematical structures / 
Hans Freudenthal. 
 - Dordrecht :  Reidel Pub. Co.,  c1983. 
 - x, 595 p. :  ill. 
 - Mathematics education library .
<br/><br/><label>ISBN: </label>9027715351 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.<br/>Mathematics--1961-
<br/><br/><label>LC Class. No.: </label>QA11  / .F769 1983 
<br/><br/><label>Dewey Class. No.: </label>510/.7�19