1. Finitely generated Kleinian groups;Ahlfors, Lars V.;Amer. J. Math.,1964
2. Kleinian groups;Ahlfors, Lars V.;Scripta Math.,1964
3. Ordway Professorship Lectures in Mathematics;Ahlfors, Lars V.,1981
4. On the pointwise ergodic behaviour of transformations preserving infinite measures;Aaronson, Jon;Israel J. Math.,1979
5. [As] Jon Aaronson and Dennis Sullivan, Rational ergodicity of the geodesic flow on infinite volume hyperbolic manifolds (manuscript).