%0 Journal Article %A Kachakhidze, N. %T On the representation of numbers by the direct sums of some quaternary quadratic forms. %J Georgian Mathematical Journal %D 2001 %P 87-95 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_2001__8_1_48943/ %G en %F GMJ_2001__8_1_48943