TY  - JOUR
AU  - I. A. Panin
TI  - Two purity theorems and the Grothendieck-Serre conjecture concerning principal $\mathbf G$-bundles
JO  - Sbornik. Mathematics
PY  - 2020
SP  - 1777
EP  - 1794
VL  - 211
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2020_211_12_a3/
LA  - en
ID  - SM_2020_211_12_a3
ER  -