%0 Journal Article
%A Mircea Lupan
%A Nicolae Vulpe
%T Classification of quadratic systems with a~symmetry center and simple infinite singular points
%J Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
%D 2003
%P 102-119
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/BASM_2003_1_a10/
%G en
%F BASM_2003_1_a10