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@article{DAN_1964_158_4_a2, author = {V. E. Voskresenskii}, title = {The behaviour of semi-simple algebraic groups under extension of the ground field}, journal = {Doklady Akademii Nauk}, pages = {767--769}, publisher = {mathdoc}, volume = {158}, number = {4}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_158_4_a2/} }
V. E. Voskresenskii. The behaviour of semi-simple algebraic groups under extension of the ground field. Doklady Akademii Nauk, Tome 158 (1964) no. 4, pp. 767-769. http://geodesic.mathdoc.fr/item/DAN_1964_158_4_a2/