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Journal Article The bivariate normal integral Get access J. H. CADWELL J. H. CADWELL Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 38, Issue 3-4, December 1951, Pages 475–479, https://doi.org/10.1093/biomet/38.3-4.475 Published: 01 December 1951
Joel Cadwell (Mon,) studied this question.