%0 Journal Article %A Mamoru Nunokawa %A Shigeyoshi Owa %T Sufficient Conditions for Certain Multivalent Functions %J Mathematica balkanica %D 1990 %P 3 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1990_4_1_a0/ %F MABA_1990_4_1_a0