%0 Journal Article %A A. S. Bagmutov %T Bound states for Laplacian perturbed by varying potential supportedby line in $\mathbb{R}^3$ %J Nanosistemy: fizika, himiâ, matematika %D 2021 %P 549-552 %V 12 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2021_12_5_a0/ %G en %F NANO_2021_12_5_a0