%0 Journal Article
%A M. M. Vishik
%T On a non-archimedean analogue of perturbation theory
%J Doklady Akademii Nauk
%D 1979
%P 267-271
%V 249
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1979_249_2_a1/
%G ru
%F DAN_1979_249_2_a1