%0 Journal Article %A A. G. Ramm %T Spectral properties of the Schrödinger operator in domains of unbounded frontier %J Doklady Akademii Nauk %D 1963 %P 282-285 %V 152 %N 2 %U http://geodesic.mathdoc.fr/item/DAN_1963_152_2_a8/ %G ru %F DAN_1963_152_2_a8