%0 Journal Article %A Z. Cylkowski %T Algorithm 13. Approximate function expansion into a Chebyshev series %J Applicationes Mathematicae %D 1971 %P 227-237 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-12-2-227-237/ %R 10.4064/am-12-2-227-237 %G en %F 10_4064_am_12_2_227_237