@article{AA_2019_31_1_a10, author = {A. E. Tsybyshev}, title = {A step toward the mixed-characteristic case of the {Grothendieck{\textendash}Serre} conjecture}, journal = {Algebra i analiz}, pages = {246--254}, year = {2019}, volume = {31}, number = {1}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AA_2019_31_1_a10/} }