@article{GDZPPN00203560X,
title = {The order-independence of the polylogarithmic ladder structure - implications for a new category of functional equations.},
journal = {Aequationes mathematicae},
volume = {30},
year = {1986},
pages = {1-20},
zbl = {0606.39005},
url = {http://dml.mathdoc.fr/item/GDZPPN00203560X}
}
Lewin, L. The order-independence of the polylogarithmic ladder structure - implications for a new category of functional equations.. Aequationes mathematicae, Tome 30 (1986) pp. 1-20. http://gdmltest.u-ga.fr/item/GDZPPN00203560X/