%0 Journal Article
%A A. Dzhuraev
%T Some problems for systems of first order partial differential equations of composite type in three-dimensional space
%J Doklady Akademii Nauk
%D 1980
%P 280-286
%V 252
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_252_2_a5/
%G ru
%F DAN_1980_252_2_a5