%0 Journal Article
%A A. S. Lakhtin
%A A. I. Subbotin
%T Multivalued solutions of first-order partial differential equations
%J Sbornik. Mathematics
%D 1998
%P 849-873
%V 189
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1998_189_6_a1/
%G en
%F SM_1998_189_6_a1