@article{AL_1965_4_3_a4,
     author = {A. B. Khutoretskii},
     title = {On recursive isomorphism},
     journal = {Algebra i logika},
     pages = {85--88},
     publisher = {mathdoc},
     volume = {4},
     number = {3},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1965_4_3_a4/}
}