TY  - JOUR
AU  - B. Odehnal 
TI  - A Triad of Circles Externally Tangent to the Nine-Point Circle and Internally Tangent to Two Sides of a Triangle
JO  - Journal for geometry and graphics
PY  - 2014
SP  - 61
EP  - 71
VL  - 18
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2014_18_1_JGG_2014_18_1_a4/
ID  - JGG_2014_18_1_JGG_2014_18_1_a4
ER  -