%0 Journal Article
%A M. Ternullo 
%T Common Tangents to Ellipse and Circles, the 13-Point Circle and Other Theorems
%J Journal for geometry and graphics
%D 2019
%P 45-63
%V 23
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2019_23_1_JGG_2019_23_1_a5/
%F JGG_2019_23_1_JGG_2019_23_1_a5