TY - GEN TI - Approximation theory : : proceedings of an International Colloquium held at Bonn, Germany, June 8-11, 1976. / PY - 1976/// CY - berlin PB - Springer-Verlag KW - ANALISIS NUMERICO KW - CONGRESOS KW - TEORIA DE LA APROXIMACION KW - TEORIA DE RANURAS ER -