A Lie connection between Hamiltonian and Lagrangian optics.
Dragt, Alex J.
Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only], Tome 1 (1997), p. 149-157 / Harvested from The Electronic Library of Mathematics
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Publié le : 1997-01-01
EUDML-ID : urn:eudml:doc:124251 
@article{01375563,
     title = {A Lie connection between Hamiltonian and Lagrangian optics.},
     journal = {Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only]},
     volume = {1},
     year = {1997},
     pages = {149-157},
     zbl = {1056.78501},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01375563}
}

Dragt, Alex J. A Lie connection between Hamiltonian and Lagrangian optics.. Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only], Tome 1 (1997) pp. 149-157. http://gdmltest.u-ga.fr/item/01375563/