00347nam a2200121Ia 4500082001900000100001600019245007100035260004200106300002700148490004000175500000500215700000500220  a519.5bH478.EE  aHelmers, R.  aEdgeworth expansions for linear combinations of order statisticsb  aAmsterdambMathematisch Centrumc1982  aiv, 135p. Tables, Ref.  aMathematical centre tractsv v. 105  a  a