%0 Journal Article %A E. K. Isakova %T On the principle of limiting amplitude for certain plane boundary problems %J Doklady Akademii Nauk %D 1965 %P 986-987 %V 162 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_162_5_a3/ %G ru %F DAN_1965_162_5_a3