@article{DAN_1997_353_5_a4,
     author = {Yu. L. Ershov},
     title = {On semilocal fields},
     journal = {Doklady Akademii Nauk},
     pages = {596--598},
     publisher = {mathdoc},
     volume = {353},
     number = {5},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_353_5_a4/}
}