TY  - JOUR
AU  - H. Pottmann
AU  - R. Krasauskas
AU  - B. Hamann
AU  - K. Joy
AU  - W. Seibold
TI  - On Piecewise Linear Approximation of Quadratic Functions
JO  - Journal for geometry and graphics
PY  - 2000
SP  - 031
EP  - 054
VL  - 4
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2000_4_1_a2/
ID  - JGG_2000_4_1_a2
ER  -