@article{GDZPPN002485729,
title = {Zur globalen Raumkinematik.},
journal = {Monatshefte f\"ur Mathematik},
volume = {104},
year = {1987},
pages = {289-302},
zbl = {0624.53006},
url = {http://dml.mathdoc.fr/item/GDZPPN002485729}
}
Pottmann, Helmut. Zur globalen Raumkinematik.. Monatshefte für Mathematik, Tome 104 (1987) pp. 289-302. http://gdmltest.u-ga.fr/item/GDZPPN002485729/