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@article{AA_2000_12_1_a4, author = {K. V. Zainullin}, title = {On {Grothendieck's} conjecture on principal homogeneous spaces for some classical algebraic groups}, journal = {Algebra i analiz}, pages = {150--184}, publisher = {mathdoc}, volume = {12}, number = {1}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AA_2000_12_1_a4/} }
K. V. Zainullin. On Grothendieck's conjecture on principal homogeneous spaces for some classical algebraic groups. Algebra i analiz, Tome 12 (2000) no. 1, pp. 150-184. http://geodesic.mathdoc.fr/item/AA_2000_12_1_a4/