TY - JOUR AU - Isaacs, Godfrey L. TI - Fractional Derivatives as Inverses JO - Canadian journal of mathematics PY - 1989 SP - 178 EP - 192 VL - 41 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1989-009-0/ DO - 10.4153/CJM-1989-009-0 ID - 10_4153_CJM_1989_009_0 ER -