%0 Journal Article %A Iurie Calin %A Valeriu Baltag %T Sufficient $GL(2, \mathbb{R})$-invariant center conditions for some classes of two-dimensional cubic differential systems %J Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica %D 2019 %P 127-136 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/BASM_2019_2_a7/ %G en %F BASM_2019_2_a7