Salah Mesheri On the best $L_1(X,\mu )$-approximants 383--390
G. G\'at and U. Goginava Uniform and L-convergence of logarithmic means of cubical partial sums of double Walsh-Fourier series 391--412
Taib Belghiti and Laurent Gendre On classes of harmonic functions of Gervey type 413--418
Roumen Kozarev The greedy rigde algorithms in Gaussian weighted $L^2$ 419--440
Jean-Paul Calvi and Lars Filipsson The polynomial projectors that preserve homogeneous differential relations: a new characterization of Kergin interpolation 441--454
M. Be\'ska and K. Dziedziul Box-splines orthogonal projections 455--469
Nicolae Crainic UR Birkhoff interpolation with lower sets of derivatives 471--479
Borislav Bojanov and Nikola Naidenov Alternation property and Markov's inequality for Tchebycheff systems 481--503
