@article{BASM_2021_3_a6,
     author = {S. Benadouane and A. Berbache and A. Bendjeddou},
     title = {Upper bounds for the number of limit cycles for a class of polynomial differential systems via the averaging method},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {72--87},
     publisher = {mathdoc},
     number = {3},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2021_3_a6/}
}