@article {1322,
	title = {Regularity at infinity of Hadamard manifolds with respect to some elliptic operators and applications to asymptotic Dirichlet problems},
	journal = {Transactions of the American Mathematical Society},
	volume = {367},
	year = {2015},
	pages = {1523-1541},
	author = {J. Ripoll and M. Telichevesky}
}
