%0 Journal Article
%A M. Hajja
%A P. Walker 
%T The Inspherical Gergonne Center of a Tetrahedron
%J Journal for geometry and graphics
%D 2004
%P 23-32
%V 8
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2004_8_1_JGG_2004_8_1_a2/
%F JGG_2004_8_1_JGG_2004_8_1_a2