@article{RM_1989_44_6_a5,
     author = {D. I. Tolev},
     title = {On~the joint distribution of the fractional parts of different prime powers},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {192--193},
     publisher = {mathdoc},
     volume = {44},
     number = {6},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1989_44_6_a5/}
}