%0 Journal Article
%A R. Boukoucha
%T Explicit expression for a first integral for some classes of two-dimensional differential systems
%J Sibirskie èlektronnye matematičeskie izvestiâ
%D 2017
%P 903-913
%V 14
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SEMR_2017_14_a96/
%G en
%F SEMR_2017_14_a96