TY - JOUR AU - Hartzstein, Silvia I. AU - Viviani, Beatriz E. TI - On the composition of the integral and derivative operators of functional order JO - Commentationes Mathematicae Universitatis Carolinae PY - 2003 SP - 99 EP - 120 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2003__44_1_a8/ LA - en ID - CMUC_2003__44_1_a8 ER -