@article{05904720,
title = {Lagrangians and higher order tangent spaces.},
journal = {Balkan Journal of Geometry and its Applications (BJGA)},
volume = {15},
year = {2010},
pages = {142-148},
zbl = {1217.53081},
language = {en},
url = {http://dml.mathdoc.fr/item/05904720}
}
Popescu, Marcela; Popescu, Paul. Lagrangians and higher order tangent spaces.. Balkan Journal of Geometry and its Applications (BJGA), Tome 15 (2010) pp. 142-148. http://gdmltest.u-ga.fr/item/05904720/