%0 Journal Article %A N. B. Engibaryan %T On the factorization of symmetric integral operators %J Doklady Akademii Nauk %D 1972 %P 19-21 %V 203 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_203_1_a3/ %G ru %F DAN_1972_203_1_a3