Wilder, Raymond Louis, 1896- <br/><br/>
Evolution of mathematical concepts  an elementary study 
Raymond L. Wilder 
 - New York  John Wiley & Sons  1968 
 - xviii, 224 p. : ill. ; 22 cm. 
<br/><br/>Bibliography: p. 212-217. 
<br/><br/><label>ISBN: </label>0471944149 
<br/><br/><label>LCCN: </label>68-028508 //r81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Philosophy<br/>Mathematics--History