TY  - JOUR
AU  - bakhtiari, M.
AU  - Mirzaei, R.
TI  - ACTION OF SEMISIMPLE ISOMERY GROUPS ON SOME RIEMANNIAN MANIFOLDS OF NONPOSITIVE CURVATURE
JO  - Journal of New Researches in Mathematics
VL  - 3
IS  - 3
SP  - 51
EP  - 58
PY  - 2017
DO  - 
ER  -