Geodesic
On the Theorems of Central Axonometry
Journal for geometry and graphics, Tome 1 (1997) no. 2, pp. 151-156 
M. Hoffmann. On the Theorems of Central Axonometry. Journal for geometry and graphics, Tome 1 (1997) no. 2, pp. 151-156. http://geodesic.mathdoc.fr/item/JGG_1997_1_2_a4/
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     author = {M. Hoffmann},
     title = {On the {Theorems} of {Central} {Axonometry}},
     journal = {Journal for geometry and graphics},
     pages = {151--156},
     year = {1997},
     volume = {1},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JGG_1997_1_2_a4/}
}
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Voir la notice de l'article provenant de la source Heldermann Verlag

One of the important questions of central axonometry is to give a condition under which a central axonometric mapping is a central projection. The aim of this paper is to prove that the well-known Stiefel's condition can be considered as a limiting case of a recent theorem proved by Szabo, Stachel and Vogel.