TY - JOUR AU - A. BACOPOULOS TI - On Approximation by Sums of Chebyshev Norms. JO - Numerische Mathematik PY - 1970 SP - 243 EP - 247 VL - 16 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1970__16_132031/ ID - NUMA_1970__16_132031 ER -