@article{AL_1981_20_2_a5,
     author = {A. M. Slobodskoi},
     title = {Undecidability of the universal theory of finite groups},
     journal = {Algebra i logika},
     pages = {207--230},
     year = {1981},
     volume = {20},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1981_20_2_a5/}
}