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• [2] Saunders Mac Lane, Subfields and automorphism groups of 𝑝-adic fields, Ann. of Math. (2) 40 (1939), no. 2, 423–442. MR 1503470, http://dx.doi.org/10.2307/1968931
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Bibliography

[1]

N. Heerema, Derivations on p-adic fields, Trans. Amer. Math. Soc. 102 (1962), 346-351. MR 0143759 (26:1311)

[2]

Saunders MacLane, Subfields and automorphism groups of p-adic fields, Ann. of Math. 40 (1939), 423-442. MR 1503470

[3]

O. F. G. Schilling, The theory of valuations, Math. Surveys No. 4, Amer. Math. Soc., Providence, R. I., 1950. MR 0043776 (13:315b)

[4]

O. Teichmüller, Diskret bewertete perfekte Korper mit unvollkomenem Restklassen Korper, J. Reine Angew. Math. 176 (1937), 141-152.

[5]

O. Zariski and P. Samuel, Commutative algebra, Vols. I, II, Van Nostrand, Princeton, N. J., 1958, 1960.