Wilder, Raymond L. <br/><br/>
Evolution of mathematical concepts :  an elementary study / 
Raymond L. Wilder. 
 - Milton Keynes, England :  Open University Press,  c1968. 
 - xx, 216 p. : ill. 
<br/><br/><label>ISBN: </label>0335002498 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Social aspects.<br/>Mathematics--History.