%0 Journal Article
%A D. R. Yafaev
%T The virial theorem and conditions for wave operators to be unitary in scattering by a~nonstationary potential
%J Informatics and Automation
%D 1983
%P 210-217
%V 159
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1983_159_a13/
%G ru
%F TRSPY_1983_159_a13