@article{05002664,
title = {Comparison principle for parabolic equations in the Heisenberg group.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2005},
year = {2005},
zbl = {1085.35014},
language = {en},
url = {http://dml.mathdoc.fr/item/05002664}
}
Bieske, Thomas. Comparison principle for parabolic equations in the Heisenberg group.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2005 (2005) . http://gdmltest.u-ga.fr/item/05002664/