@article{AIHPC_1997__14_3_295_0,
     author = {Birindelli, I. and Capuzzo Dolcetta, I. and Cutr{\`\i}, A.},
     title = {Liouville theorems for semilinear equations on the {Heisenberg} group},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {295--308},
     publisher = {Gauthier-Villars},
     volume = {14},
     number = {3},
     year = {1997},
     mrnumber = {1450950},
     zbl = {0876.35033},
     language = {en},
     url = {http://www.numdam.org/item/AIHPC_1997__14_3_295_0/}
}