TY - JOUR AU - Yuji Liu TI - Impulsive Periodic Type Boundary Value Problems for Multi-Term Singular Fractional Differential Equations JO - Bulletin of the Malaysian Mathematical Society PY - 2014 VL - 37 IS - 2 UR - http://geodesic.mathdoc.fr/item/BMMS_2014_37_2_a23/ ID - BMMS_2014_37_2_a23 ER -