%0 Journal Article %A Z. V. Shonia %T Conditions of convergence of spectral expansions corresponding to nonsemibounded selfadjoint extensions of the Schr\"odinger operator %J Differencialʹnye uravneniâ %D 1986 %P 483-495 %V 22 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_3_a16/ %G ru %F DE_1986_22_3_a16