@article{10_4153_CJM_2005_051_4,
     author = {Maad, Sara},
     title = {A {Semilinear} {Problem} for the {Heisenberg} {Laplacian} on {Unbounded} {Domains}},
     journal = {Canadian journal of mathematics},
     pages = {1279--1290},
     year = {2005},
     volume = {57},
     number = {6},
     doi = {10.4153/CJM-2005-051-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-051-4/}
}