00370nam a22001457a 450000500170000000800410001704100080005808200140006610000140008010000200009424500450011426000410015952100080020065000160020820260801162055.0260801b        |||||||| |||| 00| 0 eng d  aeng  a519.9 DBC  aB. C. Das  aB. N. Mukherjee  aStatics /cB. C. Das and B. N. Mukherjee  aKolkata :bU. N. Dhar & Sons,c1970.  aAll  aMathematics