@article{02100280,
title = {Structure of group invariants of a quasiperiodic flow.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2004},
year = {2004},
zbl = {1050.37011},
language = {en},
url = {http://dml.mathdoc.fr/item/02100280}
}
Bakker, Lennard F. Structure of group invariants of a quasiperiodic flow.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2004 (2004) . http://gdmltest.u-ga.fr/item/02100280/