Singer, Ivan, <br/><br/>
The theory of best approximation and functional analysis. 

 - 95 páginas 
 - Regional conference sers. in applied mathematics ;  13 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Análisis funcional<br/>Teoría de la aproximación
<br/><br/><label>LC Class. No.: </label>QA320  / S56