@article{JEMS_2017_19_2_a7,
     author = {Alberto Abbondandolo and Leonardo Macarini and Marco Mazzucchelli and Gabriel P. Paternain},
     title = {Infinitely many periodic orbits of exact magnetic flows on surfaces for almost every subcritical energy level},
     journal = {Journal of the European Mathematical Society},
     pages = {551--579},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {2017},
     doi = {10.4171/jems/674},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/674/}
}