TY  - JOUR
AU  - S. V. Dvoryaninov
AU  - S. Krauter
TI  - How the Center of Gravity of a Triangle differs from that of a Quadrilateral
JO  - Matematičeskoe obrazovanie
PY  - 2012
SP  - 10
EP  - 19
VL  - 61
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MO_2012_61_1_a2/
LA  - ru
ID  - MO_2012_61_1_a2
ER  -