Geodesic
Multi-Valued Fields.~II
Algebra i logika, Tome 41 (2002) no. 6, pp. 682-712.

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The main model-theoretic results on multi-valued fields with near Boolean families of valuation rings obtained in authoor's book “Multi-Valued Fields” [in Russian], Nauch. Kniga, Novosibirsk (2000) (Ch.4, Sec.  4.6) are generalized along two lines: we weaken the restriction on being absolutely unramified to a condition of being finite for an absolute ramification index, and we combine, through context, Theorems 4.6.2 and 4.6.4 (4.6.3 and 4.6.5).
Keywords: multi-valued field, Boolean family of valuation rings, absolute ramification index. 
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Yu. L. Ershov. Multi-Valued Fields.~II. Algebra i logika, Tome 41 (2002) no. 6, pp. 682-712. http://geodesic.mathdoc.fr/item/AL_2002_41_6_a1/

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