Geodesic
On the uniqueness of the coefficient ring in a semigroup ring.
Semigroup forum, Tome 36 (1987), pp. 315-322.

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Mots-clés : isomorphism problem, semigroup rings, finite sums of fields, commutative monoid with finite periodic part 
@article{SF_1987__36_134904,
     author = {E. Spiegel},
     title = {On the uniqueness of the coefficient ring in a semigroup ring.},
     journal = {Semigroup forum},
     pages = {315--322},
     publisher = {mathdoc},
     volume = {36},
     year = {1987},
     zbl = {0658.20041},
     url = {http://geodesic.mathdoc.fr/item/SF_1987__36_134904/}
}
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%A E. Spiegel
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%I mathdoc
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%F SF_1987__36_134904
E. Spiegel. On the uniqueness of the coefficient ring in a semigroup ring.. Semigroup forum, Tome 36 (1987), pp. 315-322. http://geodesic.mathdoc.fr/item/SF_1987__36_134904/