@article{GDZPPN002067951, title = {Hermitian forms on link modules.}, journal = {Commentarii mathematici Helvetici}, volume = {66}, year = {1991}, pages = {189-236}, zbl = {0733.57013}, url = {http://dml.mathdoc.fr/item/GDZPPN002067951} }
Farber, M. Hermitian forms on link modules.. Commentarii mathematici Helvetici, Tome 66 (1991) pp. 189-236. http://gdmltest.u-ga.fr/item/GDZPPN002067951/