%0 Journal Article %A E. A. Baderko %T Smoothness of a $2m$-parabolic potential of a simple layer %J Differencialʹnye uravneniâ %D 1990 %P 3-10 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_1_a0/ %G ru %F DE_1990_26_1_a0