%0 Journal Article %A E. I. Pustyl'nik %T Operators of potential type for the case of sets with abstract measure %J Doklady Akademii Nauk %D 1964 %P 519-521 %V 156 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_156_3_a9/ %G ru %F DAN_1964_156_3_a9