@article{3216,
author = {Le\'on, Manuel de and Rodrigues, Paulo R.},
title = {Almost contact structures and time-dependent Lagrangians},
journal = {Portugaliae mathematica},
volume = {47},
year = {1990},
pages = {115-130},
zbl = {0757.53016},
mrnumber = {1090064},
language = {en},
url = {http://dml.mathdoc.fr/item/3216}
}
León, Manuel de; Rodrigues, Paulo R. Almost contact structures and time-dependent Lagrangians. Portugaliae mathematica, Tome 47 (1990) pp. 115-130. http://gdmltest.u-ga.fr/item/3216/