@article{DAN_1963_150_5_a14,
     author = {A. V. Yakovlev},
     title = {The immersion problem for fields},
     journal = {Doklady Akademii Nauk},
     pages = {1009--1011},
     publisher = {mathdoc},
     volume = {150},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_150_5_a14/}
}