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@article{MZM_1967_2_1_a1, author = {A. F. Mutylin}, title = {Non-normable extension of a $p$-adic field}, journal = {Matemati\v{c}eskie zametki}, pages = {11--14}, publisher = {mathdoc}, volume = {2}, number = {1}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1967_2_1_a1/} }
A. F. Mutylin. Non-normable extension of a $p$-adic field. Matematičeskie zametki, Tome 2 (1967) no. 1, pp. 11-14. http://geodesic.mathdoc.fr/item/MZM_1967_2_1_a1/