%0 Journal Article %A T. I. Andriadze %T The exterior Poincar\'e problem for metaharmonic potentials of a simple layer %J Differencialʹnye uravneniâ %D 1985 %P 156-158 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_1_a20/ %G ru %F DE_1985_21_1_a20