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Journal Article On problems in which a change in a parameter occurs at an unknown point Get access E. S. PAGE E. S. PAGE Department of Mathematics, University of Durham Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 44, Issue 1-2, June 1957, Pages 248–252, https://doi.org/10.1093/biomet/44.1-2.248 Published: 01 June 1957
E. S. Page (1957) studied this question.