1. Fixed point theorems in CAT(0) spaces and R-trees;Kirk;Fixed Point Theory Appl.,2004
2. A concept of convergence in geodesic spaces;Kirk;Nonlinear Anal.,2008
3. Remarks on some fixed point theorems;Lim;Proc. Amer. Math. Soc.,1976
4. CAT(k)-spaces, weak convergence and fixed points;Espínola;J. Math. Anal. Appl.,2009
5. Convergence of a sequence of sets in a Hadamard space and the shrinking projection method for a real Hilbert ball;Kimura;Abstr. Appl. Anal.,2010