%0 Journal Article
%A I. G. Tsar'kov
%T Smooth solutions of the eikonal equation and the~behaviour of local minima of the distance function
%J Izvestiya. Mathematics 
%D 2019
%P 1234-1258
%V 83
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_2019_83_6_a4/
%G en
%F IM2_2019_83_6_a4