%0 Journal Article
%A Vesselin Petkov
%A Tsviatko Rangelov
%T Leading Singularity of the Scattering Kernel for Moving Obstacles
%J Mathematica balkanica
%D 1990
%P 91
%V 4
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MABA_1990_4_1_a9/
%F MABA_1990_4_1_a9