%0 Journal Article %A I. E. Ovcharenko %T Two-variable positive definite sequences %J Doklady Akademii Nauk %D 1988 %P 35-38 %V 300 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_300_1_a6/ %G ru %F DAN_1988_300_1_a6