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Click to increase image sizeClick to decrease image size 2Paper given at the 3rd International Summer School on Problems of Model Choice and Parameter Estimation in Regression Analysis, Mühlhausen (G.D.R.), May 1977 Notes 2Paper given at the 3rd International Summer School on Problems of Model Choice and Parameter Estimation in Regression Analysis, Mühlhausen (G.D.R.), May 1977
M. Stone (Sun,) studied this question.