TY  - JOUR
AU  - Milan Janjić
TI  - Geometrical definition of Pi and its approximations by nested radicals
JO  - The Teaching of Mathematics
PY  - 2008
SP  - 25 
VL  - XI
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM2_2008_XI_1_a2/
LA  - en
ID  - TM2_2008_XI_1_a2
ER  -