no. 3
Operators on eigenmaps between spheres
Compositio Mathematica, Tome 88 (1993) no. 3, pp. 317-332. 
@article{CM_1993__88_3_317_0,
     author = {Toth, G.},
     title = {Operators on eigenmaps between spheres},
     journal = {Compositio Mathematica},
     pages = {317--332},
     publisher = {Kluwer Academic Publishers},
     volume = {88},
     number = {3},
     year = {1993},
     zbl = {0789.58076},
     mrnumber = {1241953},
     language = {en},
     url = {www.numdam.org/item/CM_1993__88_3_317_0/}
}
Toth, G. Operators on eigenmaps between spheres. Compositio Mathematica, Tome 88 (1993) no. 3, pp. 317-332. http://www.numdam.org/item/CM_1993__88_3_317_0/

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