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Supported in part by the National Science Foundation
Some of the research for this paper was carried out while the author was visiting the Wilhelms-Westfälische Universität of Münster, West Germany and the Université Catholique de Louvain of Louvain-la-Neuve, Belgium. The author would like to thank the mathematicians at both universities for their kind hospitality
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Wadsworth, A.R. Dubrovin valuation rings and Henselization. Math. Ann. 283, 301–328 (1989). https://doi.org/10.1007/BF01446437
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DOI: https://doi.org/10.1007/BF01446437