Extension of Lagrangian-Hamiltonian Mechanics, Study of Symmetries and Invariants http://127.0.0.1/xmlui/handle/123456789/5129 Mon, 25 May 2026 18:12:31 GMT 2026-05-25T18:12:31Z Extension of Lagrangian-Hamiltonian Mechanics, Study of Symmetries and Invariants http://127.0.0.1/xmlui/handle/123456789/5130 Extension of Lagrangian-Hamiltonian Mechanics, Study of Symmetries and Invariants Vikas Wed, 01 Jun 2005 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/5130 2005-06-01T00:00:00Z