%0 Journal Article %A P. Yiu %T Generalized Apollonian Circles %J Journal for geometry and graphics %D 2004 %P 225-23 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JGG_2004_8_2_JGG_2004_8_2_a9/ %F JGG_2004_8_2_JGG_2004_8_2_a9