@article{01433456,
title = {Discrete Euler-Poincar\'e and Euler Poincar\'e-Poisson equations for semidirect products and principal bundles.},
journal = {Balkan Journal of Geometry and its Applications (BJGA)},
volume = {4},
year = {1999},
pages = {93-102},
zbl = {0991.37036},
language = {en},
url = {http://dml.mathdoc.fr/item/01433456}
}
Opriş, D.; Albu, I.D. Discrete Euler-Poincaré and Euler Poincaré-Poisson equations for semidirect products and principal bundles.. Balkan Journal of Geometry and its Applications (BJGA), Tome 4 (1999) pp. 93-102. http://gdmltest.u-ga.fr/item/01433456/