@article{JCA_2007_14_2_JCA_2007_14_2_a2,
     author = {R. Gonzalo and J. A. Jaramillo and S. L. Troyanski},
     title = {High {Order} {Smoothness} and {Asymptotic} {Structure} in {Banach} {Spaces}},
     journal = {Journal of convex analysis},
     pages = {249--269},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/JCA_2007_14_2_JCA_2007_14_2_a2/}
}