TY - JOUR AU - M.R. Osborne AU - D.H. Anderson TI - Discrete, Nonlinear Approximation Problems in Polyhedral Norms. A Levenberg-Like Algorithm. JO - Numerische Mathematik PY - 1977 SP - 157 EP - 170 VL - 28 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1977__28_132480/ ID - NUMA_1977__28_132480 ER -