TY  - JOUR
AU  - Claus Scheiderer
TI  - Sums of squares of polynomials with rational coefficients
JO  - Journal of the European Mathematical Society
PY  - 2016
SP  - 1495
EP  - 1513
VL  - 18
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4171/jems/620/
DO  - 10.4171/jems/620
ID  - JEMS_2016_18_7_a2
ER  -