@article{GMJ_2001__8_1_48943,
     author = {Kachakhidze, N.},
     title = {On the representation of numbers by the direct sums of some quaternary quadratic forms.},
     journal = {Georgian Mathematical Journal},
     pages = {87--95},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2001},
     zbl = {0972.11023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_2001__8_1_48943/}
}