@article{02000809, title = {Deformation of string topology into homotopy skein modules.}, journal = {Geometry \& Topology}, volume = {7}, year = {2003}, pages = {1005-1035}, doi = {10.2140/agt.2003.3.1005}, zbl = {1040.57005}, language = {en}, url = {http://dml.mathdoc.fr/item/02000809} }
Kaiser, Uwe. Deformation of string topology into homotopy skein modules.. Geometry & Topology, Tome 7 (2003) pp. 1005-1035. doi : 10.2140/agt.2003.3.1005. http://gdmltest.u-ga.fr/item/02000809/