Sard Arthur <br/><br/>
Linear approximation 

 - Providence  Amercian mathematical society         1963 
 - xi,544p.  cm. 
<br/><br/><label>Standard No.: </label>29891 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Approximation<br/>Functional anlalysis
<br/><br/><label>Dewey Class. No.: </label>B43, K3