@article{GDZPPN002342375,
title = {Contingency tables and approximate X2-distributions},
journal = {Mathematica Scandinavica},
volume = {1},
year = {1953},
pages = {93-103},
zbl = {0050.36202},
url = {http://dml.mathdoc.fr/item/GDZPPN002342375}
}
FOG, David. Contingency tables and approximate X2-distributions. Mathematica Scandinavica, Tome 1 (1953) pp. 93-103. http://gdmltest.u-ga.fr/item/GDZPPN002342375/