@article{05692333, title = {Halpern's iteration in CAT(0) spaces.}, journal = {Fixed Point Theory and Applications [electronic only]}, volume = {2010}, year = {2010}, doi = {10.1155/2010/471781}, zbl = {1197.54074}, language = {en}, url = {http://dml.mathdoc.fr/item/05692333} }
Saejung, Satit. Halpern's iteration in CAT(0) spaces.. Fixed Point Theory and Applications [electronic only], Tome 2010 (2010) . doi : 10.1155/2010/471781. http://gdmltest.u-ga.fr/item/05692333/