Symposium on Quantitative Approximation, Boon, West Germany, Aug. 20-24, 1979 <br/><br/>
Quantitative approximation; proceedings  / 

 - New York:  Academic Press,  1980 
 - xi, 324p. 
<br/><br/><label>Dewey Class. No.: </label>515.73  / Sy989.QA