@article{JLT_2007_17_3_JLT_2007_17_3_a2,
     author = {T. Kappeler and E. Loubet and P. Topalov },
     title = {Analyticity of {Riemannian} {Exponential} {Maps} on {Diff(T)}},
     journal = {Journal of Lie theory},
     pages = {481--503},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/JLT_2007_17_3_JLT_2007_17_3_a2/}
}