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Approximation to the Behrens-Fisher distributions V. H. Patil V. H. Patil University of Bombay Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 52, Issue 1-2, June 1965, Pages 267–270, https://doi.org/10.1093/biomet/52.1-2.267 Published: 01 June 1965
V. H. Patil (Tue,) studied this question.