@article{01282150,
title = {Symmetry Lie group of the Monge-Amp\`ere equation.},
journal = {Balkan Journal of Geometry and its Applications (BJGA)},
volume = {3},
year = {1998},
pages = {121-134},
zbl = {0934.58039},
language = {en},
url = {http://dml.mathdoc.fr/item/01282150}
}
Udrişte, C.; Bîlă, N. Symmetry Lie group of the Monge-Ampère equation.. Balkan Journal of Geometry and its Applications (BJGA), Tome 3 (1998) pp. 121-134. http://gdmltest.u-ga.fr/item/01282150/