@Article{zbMATH02507141,
Author = {J. W. {Mauchly}},
Title = {{Significance test for sphericity of a normal \(n\)-variate distribution}},
FJournal = {{Annals of Mathematical Statistics}},
Journal = {{Ann. Math. Stat.}},
ISSN = {0003-4851},
Volume = {11},
Pages = {204--209},
Year = {1940},
Publisher = {Institute of Mathematical Statistics, Baltimore, MD},
Language = {English},
Zbl = {66.0641.04}
}