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@article{MZM_1984_36_6_a12, author = {Yu. L. Ershov}, title = {Galois groups of maximal 2-extensions}, journal = {Matemati\v{c}eskie zametki}, pages = {913--923}, publisher = {mathdoc}, volume = {36}, number = {6}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1984_36_6_a12/} }
Yu. L. Ershov. Galois groups of maximal 2-extensions. Matematičeskie zametki, Tome 36 (1984) no. 6, pp. 913-923. http://geodesic.mathdoc.fr/item/MZM_1984_36_6_a12/