@article{EJDE_2014__2014__a129,
     author = {Bel,  Andrea and Reartes,  Walter},
     title = {Isochronous bifurcations in second-order delay differential equations},
     journal = {Electronic journal of differential equations},
     year = {2014},
     volume = {2014},
     zbl = {1300.34155},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a129/}
}