Denne, Elizabeth Jane (2004), Alternating quadrisecants of knots, Ph.D. thesis (англ.), University of Illinois at Urbana-Champaign, arXiv:math/0510561, Bibcode:2005math.....10561D.
Denne, Elizabeth Jane (2004), Alternating quadrisecants of knots, Ph.D. thesis (англ.), University of Illinois at Urbana-Champaign, arXiv:math/0510561, Bibcode:2005math.....10561D.