Approximation theory  :   proceedings of an International Colloquium held at Bonn, Germany, June 8-11, 1976. /  

 - berlin :  Springer-Verlag  1976. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANALISIS NUMERICO--CONGRESOS.<br/>TEORIA DE LA APROXIMACION--CONGRESOS.<br/>TEORIA DE RANURAS