41 Approximations and expansions
41A52 Uniqueness of best approximation (3 articles)
- : Best approximations and porous sets. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 44 (2003), issue 4, pp. 681-689
- : Extensions of linear operators from hyperplanes of $l^{(n)}_\infty$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 36 (1995), issue 3, pp. 443-458
- : Strong unicity criterion in some space of operators. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 1, pp. 81-87
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