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@article{DAN_1991_316_1_a6, author = {Yu. L. Ershov}, title = {Characterization of {Kochen} rings of $PC_M$-fields}, journal = {Doklady Akademii Nauk}, pages = {33--36}, publisher = {mathdoc}, volume = {316}, number = {1}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_316_1_a6/} }
Yu. L. Ershov. Characterization of Kochen rings of $PC_M$-fields. Doklady Akademii Nauk, Tome 316 (1991) no. 1, pp. 33-36. http://geodesic.mathdoc.fr/item/DAN_1991_316_1_a6/