%0 Journal Article %A Cemil Tunç %T Nonexistence of Nontrivial Periodic Solutions to a Class of Nonlinear Differential Equations of Eighth Order %J Bulletin of the Malaysian Mathematical Society %D 2009 %V 32 %N 3 %U http://geodesic.mathdoc.fr/item/BMMS_2009_32_3_a3/ %F BMMS_2009_32_3_a3