@article{EJDE_2012__2012__a22,
     author = {Aitalioubrahim, Myelkebir and Sajid, Said},
     title = {Higher order viability problem in {Banach} spaces},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2012},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a22/}
}