@article{DAN_1965_165_1_a4,
     author = {Yu. L. Ershov},
     title = {On the elementary theory of maximal normed fields},
     journal = {Doklady Akademii Nauk},
     pages = {21--23},
     publisher = {mathdoc},
     volume = {165},
     number = {1},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_165_1_a4/}
}