TY - GEN AU - MICCHELLI,CHARLES A. AU - RIVLIN, THEODORE J. TI - OPTIMAL ESTIMATION IN APPROXIMATION THEORY U1 - 511.4 PY - 1977/// CY - New Yrok PB - Plenum Press KW - Approximation Theory -- Congresses KW - Mathematical -- Optimization -- Congresses KW - Computational Complexity -- Congresses ER -