TY - JOUR AU - Cemil Tunc TI - Boundedness and periodicity of Fifth Order non-Linear Differential Equations JO - Ευκλείδης Γ PY - 1995 SP - 55 EP - 69 VL - 43 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EUG_1995__43_a2/ LA - gr ID - EUG_1995__43_a2 ER -