@article{AL_1975_14_4_a1,
     author = {A. V. Goryaga and A. S. Kirkinskii},
     title = {The decidability of the conjugacy problem cannot be transferred to},
     journal = {Algebra i logika},
     pages = {393--406},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1975_14_4_a1/}
}