@article{EJDE_2000__2000__a102,
     author = {Vanegas, C.J.},
     title = {Nonlinear perturbations of systems of partial differential equations with constant coefficients},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2000},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a102/}
}