%0 Journal Article %A A. I. Nosich %A A. E. Poedinchuk %A V. P. Shestopalov %T The discrete spectrum of natural waves of an open partially %J Doklady Akademii Nauk %D 1985 %P 1165-1169 %V 283 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_283_5_a33/ %G ru %F DAN_1985_283_5_a33