1. Lawson, C.,Contributions to the Theory of Linear Least Maximum Approximation (dissertation, University of California, Los Angeles, 1961).
2. Remez, E.,General Computational Methods of Chebyshev Approximation, U.S. Atomic Energy Commission Translation 4491, 1962.
3. Zuhovickii, S. I. andSteckin, S. B.,On the Approximation of Abstract Functions, Amer. Math. Soc. Transl. (Ser. 2)16, 401–406 (1960).
4. Dunham, C. B.,Extendability of T * Sets, Aequationes Math.5, 1–2 (1970).
5. Dunham, C. B.,Domains of Uniqueness for Complex Linear Approximation, J. Approx. Theory (to appear).