@article{0510042,
author = {Fushchych, W. I. and Yehorchenko, Irina},
title = {Second-order differential invariants of the rotation group O(n) and of
its extensions: E(n), P(1,n), G(1,n)},
journal = {arXiv},
volume = {2005},
number = {0},
year = {2005},
language = {en},
url = {http://dml.mathdoc.fr/item/0510042}
}
Fushchych, W. I.; Yehorchenko, Irina. Second-order differential invariants of the rotation group O(n) and of its extensions: E(n), P(1,n), G(1,n). arXiv, Tome 2005 (2005) no. 0, . http://gdmltest.u-ga.fr/item/0510042/