@article{AL_1995_34_3_a0,
     author = {V. V. Bludov},
     title = {Thread bases in groups},
     journal = {Algebra i logika},
     pages = {247--261},
     publisher = {mathdoc},
     volume = {34},
     number = {3},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1995_34_3_a0/}
}