@article{EJDE_2007__2007__a256,
     author = {Hamouda,  Saada},
     title = {Iterated order of solutions of certain linear differential equations with entire coefficients},
     journal = {Electronic journal of differential equations},
     year = {2007},
     volume = {2007},
     zbl = {1133.30329},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a256/}
}