%0 Journal Article %A M. D. Dolberg %T The development of a positive kernel into a bilinear series %J Doklady Akademii Nauk %D 1958 %P 945-948 %V 120 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_120_5_a3/ %G ru %F DAN_1958_120_5_a3