1. The SQ-universality and residual properties of relatively hyperbolic groups;Arzhantseva;J. Algebra,2007
2. Closed geodesics, asymptotic volume, and characteristics of group growth;Babenko;Izv. Akad. Nauk SSSR, Ser. Mat.,1988
3. Closed geodesics and the fundamental group;Ballmann;Duke Math. J.,1981
4. Closed geodesies on manifolds with infinite abelian fundamental group;Bangert;J. Differential Geom.,1984
5. The degree of polynomial growth of finitely generated nilpotent groups;Bass;Proc. Lond. Math. Soc. (3),1972