%0 Journal Article
%A V. V. Lychagin
%T Lokal classification of non-lineral first order partial differential equations
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1975
%P 105-175
%V 30
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1975_30_1_a2/
%G en
%F RM_1975_30_1_a2