%0 Journal Article %A A. F. Leont'ev %T Representation of functions by generalized exponential series %J Sbornik. Mathematics %D 1989 %P 491-505 %V 62 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1989_62_2_a9/ %G en %F SM_1989_62_2_a9