1. A. Aaronson, O. Sarig and R. Solomyak,Tail-invariant measures for some suspension semiflows, Discrete and Continuous Dynamical Systems8 (2002), 725–735.
2. Lecture Notes in Mathematics;A. Ancona,1990
3. M. Babillot,On the classification of invariant measures for horosphérical foliations on nilpotent covers of negatively curved manifolds, prepublication de l’université d’Orléans, 2002.
4. Tata Institute of Fundamental Research;M. Babillot,1998
5. M. Bourdon,Structure conforme au bord et flot géodésique d’un CAT(-1)-espace, L’Enseignement Mathématique41 (1995), 63–102.