TY  - JOUR
AU  - P. Pech 
TI  - On the Simson-Wallace Theorem and its Generalizations
JO  - Journal for geometry and graphics
PY  - 2005
SP  - 141
EP  - 153
VL  - 9
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2005_9_2_JGG_2005_9_2_a2/
ID  - JGG_2005_9_2_JGG_2005_9_2_a2
ER  -