TY  - JOUR
AU  - Bruce Reznick
TI  - Uniform denominators in Hilbert's Seventeenth Problem.
JO  - Mathematische Zeitschrift
PY  - 1995
SP  - 75
EP  - 98
VL  - 220
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1995__220_1_174799/
ID  - MZ_1995__220_1_174799
ER  -