A Theorem of Bobillier on the Tetrahedron.
Bottema, O.
Elemente der Mathematik, Tome 24 (1969), p. 6-10 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1969-01-01
EUDML-ID : urn:eudml:doc:140910 
@article{GDZPPN002076659,
     title = {A Theorem of Bobillier on the Tetrahedron.},
     journal = {Elemente der Mathematik},
     volume = {24},
     year = {1969},
     pages = {6-10},
     zbl = {0165.23902},
     url = {http://dml.mathdoc.fr/item/GDZPPN002076659}
}

Bottema, O. A Theorem of Bobillier on the Tetrahedron.. Elemente der Mathematik, Tome 24 (1969) pp. 6-10. http://gdmltest.u-ga.fr/item/GDZPPN002076659/