%0 Journal Article %A I. Panin %T Notes on a Grothendieck–Serre conjecture in mixed characteristic case %J Zapiski Nauchnykh Seminarov POMI %D 2019 %P 138-148 %V 484 %U http://geodesic.mathdoc.fr/item/ZNSL_2019_484_a9/ %G en %F ZNSL_2019_484_a9