%0 Journal Article %A A. G. Ramm %T Spectral Properties of Schrödinger-type Operators and Large-time Behavior of the Solutions to the Corresponding Wave Equation %J Mathematical modelling of natural phenomena %D 2013 %P 207-214 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20138116/ %R 10.1051/mmnp/20138116 %G en %F MMNP_2013_8_1_a15