Jackson, Dunham <br/><br/>
The theory of approximation 

 - New York  American Mathematical Society  1930 
 - 178 p. 
 - Colloquium Publications  v.11 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>APROXIMACION<br/>MATEMATICAS
<br/><br/><label>Universal Decimal Class. No.: </label>A/517.6/J13