TY  - JOUR
AU  - Zhu, Jinhua
AU  - Chang, Shih-Sen
AU  - Liu, Min
TI  - Viscosity approximation methods for hierarchical optimization problems of multivalued nonexpansive mappings in CAT(0) spaces 
JO  - Journal of nonlinear sciences and its applications
PY  - 2016
SP  - 5521
EP  - 5535
VL  - 9
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.22436/jnsa.009.10.03/
DO  - 10.22436/jnsa.009.10.03
LA  - en
ID  - JNSA_2016_9_10_a2
ER  -