%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 Schr\"odinger operator with a~$\delta$-perturbation on a~curve
%J Teoretičeskaâ i matematičeskaâ fizika
%D 2010
%P 397-407
%V 162
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_2010_162_3_a4/
%G ru
%F TMF_2010_162_3_a4