@article{DAN_1962_142_4_a1,
     author = {A. F. Andreev},
     title = {A uniqueness theorem for a normal {Frommer} region of second type},
     journal = {Doklady Akademii Nauk},
     pages = {754--757},
     publisher = {mathdoc},
     volume = {142},
     number = {4},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_4_a1/}
}