@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/}
}