%0 Journal Article
%A Maria Pliś
%T Poincaré theorem and nonlinear PDE's
%J Annales Polonici Mathematici
%D 1998
%P 99-105
%V 69
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-69-2-99-105/
%R 10.4064/ap-69-2-99-105
%G en
%F 10_4064_ap_69_2_99_105