Robuta

https://collaborate.princeton.edu/en/publications/second-noether-theorem-for-quasi-noether-systems/fingerprints/?sortBy=alphabetically Second Noether theorem for quasi-Noether systems - Fingerprint - Princeton University noether theorem princeton university second quasi systems https://eudml.org/doc/248128 EuDML | Noether theorem and first integrals of constrained Lagrangean systems noether theorem first integrals constrained lagrangean systems