TY  - JOUR
AU  - Fomin, Sergey
AU  - Zelevinsky, Andrei
TI  - Double Bruhat cells and total positivity
JO  - Journal of the American Mathematical Society
PY  - 1999
SP  - 335
EP  - 380
VL  - 12
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-99-00295-7/
DO  - 10.1090/S0894-0347-99-00295-7
ID  - 10_1090_S0894_0347_99_00295_7
ER  -