%0 Journal Article %A A. M. Lukatskii %T Series expansion in a~system of rational functions %J Sbornik. Mathematics %D 1973 %P 531-545 %V 19 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1973_19_4_a2/ %G en %F SM_1973_19_4_a2