@article{MET_1984__31_175979,
     author = {D. Landers and L. Rogge},
     title = {Differentiability {Properties} of the {s-Mean} mg at s = 1},
     journal = {Metrika},
     pages = {379--384},
     publisher = {mathdoc},
     volume = {31},
     year = {1984},
     zbl = {0578.62021},
     url = {http://geodesic.mathdoc.fr/item/MET_1984__31_175979/}
}