%0 Journal Article %A Yu. Semenov %T On the problem of convergence of a bounded-below sequence of symmetric forms for the Schrödinger operators %J Studia Mathematica %D 1979 %P 77-85 %V 64 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-64-1-77-85/ %R 10.4064/sm-64-1-77-85 %G en %F 10_4064_sm_64_1_77_85