@article{GDZPPN002370646,
title = {Functions of .... defined by addition or functions of intervals in n-dimensional formulation.},
journal = {Mathematische Zeitschrift},
volume = {30},
year = {1929},
pages = {171-216},
zbl = {54.0273.02},
url = {http://dml.mathdoc.fr/item/GDZPPN002370646}
}
Young, Rosalind Cecily. Functions of .... defined by addition or functions of intervals in n-dimensional formulation.. Mathematische Zeitschrift, Tome 30 (1929) pp. 171-216. http://gdmltest.u-ga.fr/item/GDZPPN002370646/