no. 3
The intersection of distinct Galois subrings is not necessarily Galois
Compositio Mathematica, Tome 40 (1980) no. 3, pp. 283-286. 
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     author = {Al-Khamees, Yousif},
     title = {The intersection of distinct {Galois} subrings is not necessarily {Galois}},
     journal = {Compositio Mathematica},
     pages = {283--286},
     publisher = {Sijthoff et Noordhoff International Publishers},
     volume = {40},
     number = {3},
     year = {1980},
     mrnumber = {571050},
     zbl = {0406.16015},
     language = {en},
     url = {http://www.numdam.org/item/CM_1980__40_3_283_0/}
}
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Al-Khamees, Yousif. The intersection of distinct Galois subrings is not necessarily Galois. Compositio Mathematica, Tome 40 (1980) no. 3, pp. 283-286. http://www.numdam.org/item/CM_1980__40_3_283_0/

[1] M.F. Atiyah and I.G. Macdonald: Introduction to commutative Algebra. Addison-Wesley Publ. (1969). | MR | Zbl

[2] W.E. Clark: A coefficient ring for finite non-commutative rings, Proc. Amer. Math. Soc. 33, No. 1 (1972) 25-27. | MR | Zbl

[3] B. Corbas: Finite rings in which the product of any two zero divisors is zero. Archiv der Math., XXI (1970) 466-469. | MR | Zbl

[4] W. Krull: Algebraische theorie der ringe 11. Math. Ann. 91 (1924) 1-46. | JFM | MR

[5] R.G. Macdonald, Finite rings with identity, Dekker, New York (1974). | Zbl

[6] R. Raghavendran: Finite Associative rings, Compositio Math. 21, 2 (1969) 195-229. | Numdam | MR | Zbl

[7] R. Wilson: On the structure of finite rings, Compositio Math. 26, 1 (1973) 79-93. | Numdam | MR | Zbl