References
Alexander, J.W.: A lemma on system of knotted curves. Proc. Natl. Acad. Sci. USA9, 93–95 (1923)
Birman, J.S.: Braids, links, and mapping class groups. Ann. Math. Stud., vol. 82. Princeton, NJ: Princeton Univ. Press (1974)
Franks, J., Williams, R.F.: Braids and the Jones-Conway polynomial. Preprint 1985
Freyd, P., Yetter, D.; Hoste, J.; Lickorish, W.B.R., Millett, K.; Ocneanu, A.: A new polynomial invariant of knots and links. Bull. Am. Math. Soc.12, 239–246 (1985)
Morton, H.R.: Seifert circles and knot polynomials. Math. Proc. Camb. Philos. Soc.99, 107–109 (1986)
Morton, H.R.: Closed braid representations for a link, and its 2-variable polynomial. Preprint Liverpool 1985
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Yamada, S. The minimal number of Seifert circles equals the braid index of a link. Invent Math 89, 347–356 (1987). https://doi.org/10.1007/BF01389082
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DOI: https://doi.org/10.1007/BF01389082