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@article{GMJ_2001__8_1_49620, author = {Chavchanidze, G.}, title = {Non-Noether symmetries in singular dynamical systems.}, journal = {Georgian Mathematical Journal}, pages = {27--32}, publisher = {mathdoc}, volume = {8}, number = {1}, year = {2001}, zbl = {1001.70015}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_2001__8_1_49620/} }
Chavchanidze, G. Non-Noether symmetries in singular dynamical systems.. Georgian Mathematical Journal, Tome 8 (2001) no. 1, pp. 27-32. http://geodesic.mathdoc.fr/item/GMJ_2001__8_1_49620/