



Contents of Volume 2, Number 1, 1996
price: €80.00
RESEARCH PAPERS
M.
Finzel Best linear approximation in $\l_1(n)$
130
HansPeter
Blatt and Ralitza K. Kovacheva Geometric rational approximation on
$›0,\infty)$
3140
Petar P.
Petrov Shape preserving approximation by free knot splines
" 4148
S. V.
Berdyshev Approximation of differentiation operators on the class of twice
differentiable functions on the halfline
" 4970
S. V.
Kolesnikov On a problem of L. Carleson and S. Jacobs concerning the
continuity of the function of best approximation from the class $H^\infty
$
7188
V. N.
Temlyakov An inequality for tigonometric polynomials and its application for
estimating the Kolmogorov widths
8898
Dinh
Dung Direct and inverse theorems on best multivariate trigonometric
polynomial approximations
99118
OPEN PROBLEMS
V. F. Babenko
and V. I. Ruban On the nonsymmetric widths of classes of periodic
functions
119129
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