@article{DAN_1961_138_4_a7,
     author = {A. I. Mal'tsev},
     title = {The undecidability of the elementary theory of finite groups},
     journal = {Doklady Akademii Nauk},
     pages = {771--774},
     publisher = {mathdoc},
     volume = {138},
     number = {4},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_138_4_a7/}
}