00375nam a22001217a 4500 9539 9539 OSt 201209b ||||| |||| 00| 0 eng d Proceeding Mathematical Sciences 2010(Feb Vol.120 No.1, Apr Vol.120 No.2, Jun Vol.120 No.3, Sep Vol. 120 No.4, Nov Vol.120 No.5) Bangalore Springer Applied Science ddc BV