TY - JOUR AU - W.H. Echols TI - On a General Formula for the Expansion of Functions in Series. JO - Bulletin of the New York Mathematical Society PY - 1893 SP - 135 EP - 144 VL - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BNYMS_1893__2_186499/ ID - BNYMS_1893__2_186499 ER -