@article{02205982, title = {Patterns in knot cohomology. I.}, journal = {Experimental Mathematics}, volume = {12}, year = {2003}, pages = {365-374}, doi = {10.1080/10586458.2003.10504505}, zbl = {1073.57007}, language = {en}, url = {http://dml.mathdoc.fr/item/02205982} }
Khovanov, Mikhail. Patterns in knot cohomology. I.. Experimental Mathematics, Tome 12 (2003) pp. 365-374. doi : 10.1080/10586458.2003.10504505. http://gdmltest.u-ga.fr/item/02205982/