@article{hal-01403494,
author = {Fran\c coise , Jean-Pierre and Irigoyen, M.},
title = {Non-integrable Hamiltonian systems and the Heun equation},
journal = {HAL},
volume = {1993},
number = {0},
year = {1993},
language = {en},
url = {http://dml.mathdoc.fr/item/hal-01403494}
}
Françoise , Jean-Pierre ; Irigoyen, M. Non-integrable Hamiltonian systems and the Heun equation. HAL, Tome 1993 (1993) no. 0, . http://gdmltest.u-ga.fr/item/hal-01403494/