@article{IM2_1974_8_3_a2,
     author = {Yu. G. Kleiman},
     title = {On a~basis of the product of varieties of {groups.~II}},
     journal = {Izvestiya. Mathematics},
     pages = {481--489},
     year = {1974},
     volume = {8},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1974_8_3_a2/}
}