@article{MT_2003_6_1_a1,
     author = {Yu. L. Ershov},
     title = {Projectivity of {the~Absolute} {Galois} {Groups} of {Multi-Valued} {Fields}},
     journal = {Matemati\v{c}eskie trudy},
     pages = {28--33},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2003_6_1_a1/}
}