Pfanzagl, J.; Sheynin, O. (1996). "A forerunner of the t-distribution (Studies in the history of probability and statistics XLIV)". Biometrika. 83 (4): 891–898. doi:10.1093/biomet/83.4.891. MR1766040.
Pfanzagl, J.; Sheynin, O. (1996). "A forerunner of the t-distribution (Studies in the history of probability and statistics XLIV)". Biometrika. 83 (4): 891–898. doi:10.1093/biomet/83.4.891. MR1766040.