%0 Journal Article %A W.H. Echols %T On a General Formula for the Expansion of Functions in Series. %J Bulletin of the New York Mathematical Society %D 1893 %P 135-144 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/BNYMS_1893__2_186499/ %F BNYMS_1893__2_186499