@article{01621367,
title = {Non-Noether symmetries in singular dynamical systems.},
journal = {Georgian Mathematical Journal},
volume = {8},
year = {2001},
pages = {27-32},
zbl = {1001.70015},
language = {en},
url = {http://dml.mathdoc.fr/item/01621367}
}
Chavchanidze, G. Non-Noether symmetries in singular dynamical systems.. Georgian Mathematical Journal, Tome 8 (2001) pp. 27-32. http://gdmltest.u-ga.fr/item/01621367/