@article{BASM_2019_2_a0,
     author = {Jaume Llibre},
     title = {Limit cycles in continuous and discontinuous piecewise linear differential systems with two pieces separated by a straight line},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {3--12},
     publisher = {mathdoc},
     number = {2},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2019_2_a0/}
}