%0 Journal Article %A Valeriu Baltag %T Algebraic equations with invariant coefficients in qualitative study of the polynomial homogeneous differential systems %J Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica %D 2003 %P 13-27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/BASM_2003_2_a1/ %G en %F BASM_2003_2_a1