@article{MZM_1970_7_5_a0,
     author = {S. V. Bredikhin and Yu. L. Ershov and V. G. Kal'nei},
     title = {Fields with two linear orderings},
     journal = {Matemati\v{c}eskie zametki},
     pages = {525--536},
     publisher = {mathdoc},
     volume = {7},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1970_7_5_a0/}
}