%0 Journal Article
%A Valerii Dryuma
%T The Riemann extensions in theory of differential equations and their applications
%J Žurnal matematičeskoj fiziki, analiza, geometrii
%D 2003
%P 307-325
%V 10
%N 3
%U http://geodesic.mathdoc.fr/item/JMAG_2003_10_3_a3/
%G en
%F JMAG_2003_10_3_a3