Geodesic
Base fields of $\mathrm{csp}$-rings. II
Fundamentalʹnaâ i prikladnaâ matematika, Tome 20 (2015) no. 5, pp. 149-156 
E. A. Timoshenko. Base fields of $\mathrm{csp}$-rings. II. Fundamentalʹnaâ i prikladnaâ matematika, Tome 20 (2015) no. 5, pp. 149-156. http://geodesic.mathdoc.fr/item/FPM_2015_20_5_a14/
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     title = {Base fields of $\mathrm{csp}${-rings.~II}},
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Voir la notice de l'article provenant de la source Math-Net.Ru

We prove that every field of characteristic $0$ whose cardinality does not exceed the bounding number $\mathfrak{b}$ is a base field of some $\mathrm{csp}$-ring.

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