@article{1177732711,
author = {Zoch, Richmond T.},
title = {Invariants and Covariants of Certain Frequency Curves},
journal = {Ann. Math. Statist.},
volume = {5},
number = {4},
year = {1934},
pages = { 124-135},
language = {en},
url = {http://dml.mathdoc.fr/item/1177732711}
}
Zoch, Richmond T. Invariants and Covariants of Certain Frequency Curves. Ann. Math. Statist., Tome 5 (1934) no. 4, pp. 124-135. http://gdmltest.u-ga.fr/item/1177732711/