@article{BASM_2019_2_a7,
     author = {Iurie Calin and Valeriu Baltag},
     title = {Sufficient $GL(2, \mathbb{R})$-invariant center conditions for some classes of two-dimensional cubic differential systems},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {127--136},
     publisher = {mathdoc},
     number = {2},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2019_2_a7/}
}