%0 Journal Article %A N. A. Lebedev %T Application of the area principle to the problems on nonoverlapping finitely connected regions %J Doklady Akademii Nauk %D 1966 %P 26-29 %V 167 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_167_1_a5/ %G ru %F DAN_1966_167_1_a5