@article{EJDE_2011__2011__a90,
     author = {Abbas, Syed},
     title = {Existence of solutions to fractional order ordinary and delay differential equations and applications},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2011},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a90/}
}