TY - BOOK AU - Von Herausgegeben ed. ED - Conference on Numerical Methods of Approximation Theory( 1979 : Oberwolfach ) ED - TI - Numerical methods of approximation theory: proceedings SN - 3-7643-1580-6 U1 - 511.4 PY - 1984/// CY - Basel PB - Birkhauser-Verlag KW - Approximation theory ER -