Reference
PJ Daniell “Observations weighted according to order” (1920) // American Journal of Mathematics. Publisher: JSTOR. Vol. 42. No 4. Pp. 222–236. DOI: 10.2307/2370465
Bib
@Article{daniell1920,
title = {Observations weighted according to order},
author = {Daniell, PJ},
journal = {American Journal of Mathematics},
volume = {42},
number = {4},
pages = {222--236},
year = {1920},
publisher = {JSTOR},
doi = {10.2307/2370465}
}