%0 Journal Article %A Deniz, Erhan %A Orhan, Halit %T Some properties of certain subclasses of analytic functions with negative coefficients by using generalized Ruscheweyh derivative operator %J Czechoslovak Mathematical Journal %D 2010 %P 699-713 %V 60 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2010__60_3_a8/ %G en %F CMJ_2010__60_3_a8