TY - JOUR AU - Nemat Nyamoradi TI - Multiplicity results for a class of fractional boundary value problems JO - Annales Polonici Mathematici PY - 2013 SP - 59 EP - 73 VL - 109 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap109-1-5/ DO - 10.4064/ap109-1-5 LA - en ID - 10_4064_ap109_1_5 ER -