@article{VM_2007_9_1_a4,
     author = {Slavik Jablan and Radmila Sazdanovi\'c},
     title = {LinKnot},
     journal = {Visual Mathematics},
     year = {2007},
     volume = {9},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/VM_2007_9_1_a4/}
}