@article{AL_1971_10_4_a6,
     author = {D. I. \`Eidel'kind},
     title = {Faithful representations of relatively free groups},
     journal = {Algebra i logika},
     pages = {449--473},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1971_10_4_a6/}
}