%0 Journal Article %A E. V. Starus %T Invariant conditions for the dimensions of the $GL(2,R)$-orbits for one differential cubic system %J Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica %D 2003 %P 58-70 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/BASM_2003_3_a5/ %G en %F BASM_2003_3_a5