@article{BASM_2013_1_a3,
     author = {J. C. Art\'es and J. Llibre and D. Schlomiuk and N. Vulpe},
     title = {Geometric configurations of singularities for quadratic differential systems with total finite multiplicity lower than~2},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {72--124},
     publisher = {mathdoc},
     number = {1},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2013_1_a3/}
}