Author:
Gusak I. Ya.,Shashkin Yu. A.
Publisher
Springer Science and Business Media LLC
Reference10 articles.
1. J. C. Mairhuber, ?On Haar's theorem concerning Chebyshev approximation problems having unique solutions,? Proc. Am. Math. Soc.,7, No. 4, 609?615 (1956).
2. W. Gustin, ?Sets of finite planar order,? Duke Math. J.,14, No. 1, 51?66 (1947).
3. R. L. McKinney, ?Positive bases for linear spaces,? Trans. Am. Math. Soc.,103, No. 1, 131?148 (1962).
4. H. NikaidÔ, Convex Structures and Economic Theory, Academic Press, London-New York (1968).
5. W. Hansen and V. Klee, ?Intersection theorems for positive sets,? Proc. Am. Math. Soc.,22., No. 2, 450?457 (1969).