%0 Journal Article %A Yu. E. Karpeshina %T Spectrum and eigenfunctions of the Schrödinger operator in three-dimensional space with point potential of the type of a homogeneous two-dimensional lattice %J Teoretičeskaâ i matematičeskaâ fizika %D 1983 %P 414-423 %V 57 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1983_57_3_a8/ %G ru %F TMF_1983_57_3_a8