%0 Journal Article %A S. Yu. Rotfeld %T Asymptotic behavior of the spectrum of operators defined by double Stieltjes operator integrals %J Doklady Akademii Nauk %D 1972 %P 1280-1283 %V 202 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_202_6_a10/ %G ru %F DAN_1972_202_6_a10