@article{EJDE_2006__2006__a171,
     author = {Pascali,  Eduardo},
     title = {Existence of solutions to a self-referred and hereditary system of differential equations},
     journal = {Electronic journal of differential equations},
     year = {2006},
     volume = {2006},
     zbl = {1095.47053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a171/}
}