@article{JTNB_1989__1_1_27_0,
     author = {Ohm, Jack},
     title = {On ruled fields},
     journal = {S\'eminaire de th\'eorie des nombres de Bordeaux},
     pages = {27--49},
     publisher = {Universit\'e Bordeaux I},
     volume = {Ser. 2, 1},
     number = {1},
     year = {1989},
     mrnumber = {1050263},
     zbl = {0731.12001},
     language = {en},
     url = {http://archive.numdam.org/item/JTNB_1989__1_1_27_0/}
}