%0 Journal Article %A G. A. Aigunov %T On a boundary value problem induced by a nonselfadjoint differential operator of $2n$th order on a semiaxis %J Doklady Akademii Nauk %D 1973 %P 1001-1004 %V 213 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_213_5_a0/ %G ru %F DAN_1973_213_5_a0