%0 Journal Article %A M. Sejfried %T Amicable Triangles and Perfect Circles %J Journal for geometry and graphics %D 2013 %P 53-67 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JGG_2013_17_1_JGG_2013_17_1_a4/ %F JGG_2013_17_1_JGG_2013_17_1_a4