%0 Journal Article
%A D. R. Yafaev
%T Eikonal approximation for fast-decreasing potentials.~I
%J Zapiski Nauchnykh Seminarov POMI
%D 1987
%P 166-185
%V 163
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1987_163_a14/
%G ru
%F ZNSL_1987_163_a14