TY  - JOUR
AU  - A.I. Barvinok
TI  - Problems of Distance Geometry and Convex Properties of Quadratic Maps.
JO  - Discrete & computational geometry
PY  - 1995
SP  - 189
EP  - 202
VL  - 13
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DCG_1995__13_3-4_131355/
ID  - DCG_1995__13_3-4_131355
ER  -