00409nam a2200145 a 450000500170000010000150001724500400003226000400007230000130011269000280012596400230015399700180017699900170019495200520021120251203090733.0  aGupta,B.D.  aProblems on mathematical statistics  aC.B.S.Publishers distributorsc1987  ax,1088p.  aMathematical statistics  bENGLISHcdefg_  a15742 LIBSC C  c18233d18233  00104070aPUbPUd1998-12-23l0o p15742yBK