@article{EJDE_2000__2000__a101,
     author = {Fabry,  C.},
     title = {Behavior of forced asymmetric oscillators at resonance},
     journal = {Electronic journal of differential equations},
     year = {2000},
     volume = {2000},
     zbl = {0977.34030},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a101/}
}