@article{BASM_2023_1_a5,
     author = {Armengol Gasull and Antoni Guillamon and V{\'\i}ctor Ma\~nosa},
     title = {Counting configurations of limit cycles and centers},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {78--96},
     publisher = {mathdoc},
     number = {1},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2023_1_a5/}
}