@article{BASM_2003_2_a1,
     author = {Valeriu Baltag},
     title = {Algebraic equations with invariant coefficients in qualitative study of the polynomial homogeneous differential systems},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {13--27},
     publisher = {mathdoc},
     number = {2},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2003_2_a1/}
}