@article{GDZPPN002329948,
title = {A New Knot Invariant.},
journal = {Mathematische Annalen},
volume = {277},
year = {1987},
pages = {193-210},
zbl = {0632.57006},
url = {http://dml.mathdoc.fr/item/GDZPPN002329948}
}
Kuiper, Nicolaas H. A New Knot Invariant.. Mathematische Annalen, Tome 277 (1987) pp. 193-210. http://gdmltest.u-ga.fr/item/GDZPPN002329948/