@article{IM_1966__1_141841,
     author = {R. OLIVIER},
     title = {\"Uber die {Dehnung} von {Sph\"arenabbildungen.}},
     journal = {Inventiones mathematicae},
     pages = {380--390},
     publisher = {mathdoc},
     volume = {1},
     year = {1966},
     zbl = {0146.19802},
     url = {http://geodesic.mathdoc.fr/item/IM_1966__1_141841/}
}