TY - JOUR AU - Gancho T. Tachev TI - A Direct Theorem for the Best Algebraic Approximation in Lp[-1,1], (0 JO - Mathematica balkanica PY - 1990 SP - 381 VL - 4 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1990_4_3-4_a15/ ID - MABA_1990_4_3-4_a15 ER -