@article{AL_2020_59_4_a0,
     author = {V. G. Bardakov and M. V. Neshchadim},
     title = {Lower central series of {Baumslag{\textendash}Solitar} groups},
     journal = {Algebra i logika},
     pages = {413--431},
     year = {2020},
     volume = {59},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2020_59_4_a0/}
}