Key points are not available for this paper at this time.
Preface 1. Preliminaries 2. Approximation from finite-dimensional subspaces of L1 3. Approximation from finite-dimensional subspaces in C1 (K, ) 4. Unicity subspaces and property A 5. One-sided L1-approximation 6. Discrete lm1 - approximation 7. Algorithms Appendices References Author index Subject index.
Cheney et al. (Tue,) studied this question.