@article{MZM_1981_29_4_a0,
     author = {D. I. Zaitsev},
     title = {Factorizations of polycyclic groups},
     journal = {Matemati\v{c}eskie zametki},
     pages = {481--490},
     year = {1981},
     volume = {29},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1981_29_4_a0/}
}