結び目 (数学)
↑ Armstrong (1983), p. 213.
↑ Cromwell 2004, p. 33; Adams 1994, pp. 246–250.
↑ Cromwell (2004), p. 5.
↑ Adams (1994), p. 2.
↑ Adams 1994, p. 280, Table 1.1; Livingstone 1996, p. 221, Appendix A: Knot Table.
1 2 Armstrong 1983, p. 215.
1 2 Livingstone 1996, pp. 11–14, Section 2.1 Wild Knots and Unknottings.
↑ Kauffman, L. H. (1990), “An invariant of regular isotopy”, Transactions of the American Mathematical Society 318 (2): 417–471, http://www.math.uic.edu/~kauffman/IRH.pdf
↑ Adams 1994, pp. 261–262.