Normal and Edgeworth approximations to the distribution of the Wilcoxon-Mann-Whitney statistic

Reference

Ralph Edwin Porter Jr “Normal and Edgeworth approximations to the distribution of the Wilcoxon-Mann-Whitney statistic” (1974)

@Article{porter1974,
  title = {Normal and Edgeworth approximations to the distribution of the Wilcoxon-Mann-Whitney statistic},
  author = {Porter Jr, Ralph Edwin},
  year = {1974},
  school = {Oklahoma State University}
}