TY  - JOUR
AU  - D. Ferrarello
AU  - M. F. Mammana
AU  - M. Pennisi 
TI  - Some Concyclicity Properties of Convex Quadrilaterals
JO  - Journal for geometry and graphics
PY  - 2013
SP  - 7
EP  - 19
VL  - 17
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2013_17_1_JGG_2013_17_1_a1/
ID  - JGG_2013_17_1_JGG_2013_17_1_a1
ER  -