TY - JOUR AU - A. L. Dontchev TI - Duality Methods for Constrained Best Interpolation JO - Mathematica balkanica PY - 1987 SP - 96 VL - 1 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1987_1_1_a11/ ID - MABA_1987_1_1_a11 ER -