TY - JOUR AU - Hussein A. H. Salem TI - Monotonic solutions of multi term fractional differential equations JO - Commentationes Mathematicae PY - 2007 SP - 1 EP - 9 VL - 47 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v47i1.5233/ DO - 10.14708/cm.v47i1.5233 LA - pl ID - 10_14708_cm_v47i1_5233 ER -