@article{AL_1989_28_1_a1,
     author = {O. V. Bogopolskii},
     title = {On the conjugacy problem for automorphisms of free groups},
     journal = {Algebra i logika},
     pages = {18--28},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1989_28_1_a1/}
}