@article{EJDE_1998__1998__a20,
     author = {Boldrini, Jos\'e Luiz and Crema, Janete},
     title = {On forced periodic solutions of superlinear quasi-parabolic problems},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {1998},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_1998__1998__a20/}
}