%0 Journal Article
%A I. M. Sonin
%T Separation of jets and generalization to the nonhomogeneous case
%J Doklady Akademii Nauk
%D 1989
%P 36-40
%V 304
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_304_1_a7/
%G ru
%F DAN_1989_304_1_a7