@article{JRAM_1989__398_153146,
     author = {G.B. Folland},
     title = {Harmonic analysis of the de {Rham} complex on the sphere.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {130--143},
     publisher = {mathdoc},
     volume = {398},
     year = {1989},
     zbl = {0671.58036},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1989__398_153146/}
}