%0 Journal Article
%A I. S. Lobanov
%A V. Yu. Lotoreichik
%A I. Yu. Popov
%T Lower bound on the spectrum of the two-dimensional Schrödinger operator with a $\delta$-perturbation on a curve
%J Teoretičeskaâ i matematičeskaâ fizika
%D 2010
%P 397-407
%V 162
%N 3
%U http://geodesic.mathdoc.fr/item/TMF_2010_162_3_a4/
%G ru
%F TMF_2010_162_3_a4