@article{BASM_2018_1_a6, author = {Alexandru \c{S}ub\u{a} and Olga Vacara\c{s}}, title = {Quartic differential systems with an invariant straight line of maximal multiplicity}, journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica}, pages = {76--91}, publisher = {mathdoc}, number = {1}, year = {2018}, language = {en}, url = {http://geodesic.mathdoc.fr/item/BASM_2018_1_a6/} }