%0 Journal Article %A Slavutsky, I. Sh. %T On representations of numbers by sums of squares and quadratic fields %J Archivum mathematicum %D 1977 %P 29-40 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1977__13_1_a3/ %G en %F ARM_1977__13_1_a3