@article{GMJ_1998__5_1_47886,
     author = {Kachakhidze, N.},
     title = {On the representation of numbers by the direct sums of some binary quadratic forms.},
     journal = {Georgian Mathematical Journal},
     pages = {55--70},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1998},
     zbl = {0890.11013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_1998__5_1_47886/}
}