TY  - JOUR
AU  - M. Ternullo 
TI  - Symbiotic Conics and Quartets of Four-Foci Orthogonal Circles
JO  - Journal for geometry and graphics
PY  - 2016
SP  - 85
EP  - 1
VL  - 20
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2016_20_1_JGG_2016_20_1_a7/
ID  - JGG_2016_20_1_JGG_2016_20_1_a7
ER  -