%0 Journal Article
%A A. I. Subbotin
%A N. N. Subbotina
%T Piecewise-smooth solutions of first-order partial differential
%J Doklady Akademii Nauk
%D 1993
%P 705-707
%V 333
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1993_333_6_a4/
%G ru
%F DAN_1993_333_6_a4