%0 Journal Article
%A D. Levi
%A L. Martina
%A P. Winternitz
%T Conformally invariant elliptic Liouville equation and its symmetry-preserving discretization
%J Teoretičeskaâ i matematičeskaâ fizika
%D 2018
%P 419-433
%V 196
%N 3
%U http://geodesic.mathdoc.fr/item/TMF_2018_196_3_a4/
%G ru
%F TMF_2018_196_3_a4