@article{AL_1981_20_3_a2,
     author = {A. G. Miasnikov},
     title = {On the approximability of groups of outer automorphisms of},
     journal = {Algebra i logika},
     pages = {291--299},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1981_20_3_a2/}
}