%0 Journal Article %A Esen Iyigun %A Kadri Arslan %A Gunay Ozturk %T A Characterization of Chen Surfaces in Ε4 %J Bulletin of the Malaysian Mathematical Society %D 2008 %V 31 %N 2 %U http://geodesic.mathdoc.fr/item/BMMS_2008_31_2_a9/ %F BMMS_2008_31_2_a9