Prishlyak, O. O. “New Polynomials of Knots”.
Ukrains’kyi Matematychnyi Zhurnal
49, no. 9 (September 25, 1997): 1230–1235. Accessed April 11, 2025.
https://umj.imath.kiev.ua/index.php/umj/article/view/5122
.