TY  - JOUR
AU  - M. Hajja
AU  - P. Walker 
TI  - The Inspherical Gergonne Center of a Tetrahedron
JO  - Journal for geometry and graphics
PY  - 2004
SP  - 23
EP  - 32
VL  - 8
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2004_8_1_JGG_2004_8_1_a2/
ID  - JGG_2004_8_1_JGG_2004_8_1_a2
ER  -