@article{MZ_1986__193_173783,
     author = {Willi Freeden and Peter Hermann},
     title = {Uniform {Approximation} by {Spherical} {Spline} {Interpolation.}},
     journal = {Mathematische Zeitschrift},
     pages = {265--276},
     publisher = {mathdoc},
     volume = {193},
     year = {1986},
     zbl = {0606.41012},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__193_173783/}
}