%0 Journal Article
%A M. R. Sayapova
%A D. R. Yafaev
%T The evolution operator for time-dependent potentials of zero radius
%J Informatics and Automation
%D 1983
%P 167-174
%V 159
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1983_159_a10/
%G ru
%F TRSPY_1983_159_a10