@article{NUMA_1991__60_4_133588,
     author = {Larry L. Schumaker and Cornelia Traas},
     title = {Fitting scattered data on spherelike surfaces using tensor products of trigonometric and polynomial splines.},
     journal = {Numerische Mathematik},
     pages = {133--144},
     publisher = {mathdoc},
     volume = {60},
     number = {4},
     year = {1991},
     zbl = {0744.65008},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1991__60_4_133588/}
}