@article{01019506,
title = {A strong Liouville theorem for },
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {22},
year = {1997},
pages = {205-226},
zbl = {0874.31008},
language = {en},
url = {http://dml.mathdoc.fr/item/01019506}
}
Holopainen, Ilkka; Soardi, Paolo M. A strong Liouville theorem for . Annales Academiae Scientiarum Fennicae. Mathematica, Tome 22 (1997) pp. 205-226. http://gdmltest.u-ga.fr/item/01019506/