@article{SM_1981_38_1_a3,
     author = {L. S. Kazarin},
     title = {On the product of two groups that are close to being nilpotent},
     journal = {Sbornik. Mathematics},
     pages = {47--59},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1981_38_1_a3/}
}