@article{GDZPPN002338041,
title = {Combinatorial formulae for multiple set-valued labellings.},
journal = {Mathematische Annalen},
volume = {295},
year = {1993},
pages = {35-62},
zbl = {0791.05007},
url = {http://dml.mathdoc.fr/item/GDZPPN002338041}
}
Shih, Mau-Hsiang; Lee, Shyh-Nan. Combinatorial formulae for multiple set-valued labellings.. Mathematische Annalen, Tome 295 (1993) pp. 35-62. http://gdmltest.u-ga.fr/item/GDZPPN002338041/