Choquet, Gustave Alfred Arthur,  1915- <br/><br/>
What is modern mathematics/ 
Translated by C. Gattegno 
 - Reading [Eng.]:  Educational Explorers,  [c1963]. 
 - 46p.:  22cm. 
 - Mathematics teaching series .
 - Mathematics teaching series .
<br/><br/><label>Nat. Bib. No.: </label>GB63-7554 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510.1  / C549w