%0 Journal Article %A D. Bar-Natan %T A note on the unitarity property of the Gassner invarian %J Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika %D 2015 %P 22-25 %N 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/VCHGU_2015_17_a2/ %G en %F VCHGU_2015_17_a2