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@article{SEMR_2006_3_a18, author = {Yu. L. Ershov}, title = {On tolerant valuation rings}, journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a}, pages = {284--290}, publisher = {mathdoc}, volume = {3}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/SEMR_2006_3_a18/} }
Yu. L. Ershov. On tolerant valuation rings. Sibirskie èlektronnye matematičeskie izvestiâ, Tome 3 (2006), pp. 284-290. http://geodesic.mathdoc.fr/item/SEMR_2006_3_a18/
[1] Yu. L. Ershov, Kratno normirovannye polya, Nauchnaya kniga, Novosibirsk, 2000
[2] A. J. Engler, A. Prestel, Valued Fields, Springer, 2005 | MR