págs. 1-10
Three term recurrence relation modulo ideal and orthogonality of polynomials of several variables
Dariusz Cicho¿, Jan Stochel, Franciszek Hugon Szafraniec
págs. 11-64
Radial basis functions and corresponding zonal series expansions on the sphere
W. zu Castell, F. Filbir
págs. 65-79
A comparative study of various notions of approximation of sets
Ali Agadi, Jean-Paul Penot
págs. 80-101
On a conjecture of Clark and Ismail
Horst Alzer, Stamatis Koumandos, Christian Berg
págs. 102-113
Higher-order Szeg¿ theorems with two singular points
Andrej Zlatoš, Barry Simon
págs. 114-129
On the convergence of derivatives of Bernstein approximation
Michael S. Floater
págs. 130-135
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