Solution : https://service.sap.com/sap/support/notes/395943 (SAP Service marketplace login required)
Key words : 
additional key words exp export compress locally bitmapped tablespace, exp sapr3/<password> buffer=3000000 file=exp_fhugo, imp sapr3/<password> buffer=3000000 file=exp_fhugo, svrmgrl      connect sapr3/<password>      @<absolute path, svrmgrl      connect sapr3/<password>      spool segment_size, locally managed tablespace, dictionary managed tablespace, rem entries   - change, dmp         log=imp_fhugo_show, sql script   - delete
Related Notes : 
       
| 409376 | Use of locally managed tablespaces for SAP R/3 | 
| 387946 | USE OF LOCALLY MANAGED TABLESPACES FOR BW SYSTEMS | 
| 214995 | Oracle locally managed tablespaces in the SAP environment |