@article{DM_1993_5_1_a5,
     author = {V. V. Kochergin},
     title = {On the complexity of computation in finite {Abelian,} nilpotent and soluble groups},
     journal = {Diskretnaya Matematika},
     pages = {91--111},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1993_5_1_a5/}
}