1.
Plakhta LP. Invariants of knots, surfaces in <b>R</b> <sub>3</sub&gt;, and foliations. Ukr. Mat. Zhurn. [Internet]. 2007Sep.25 [cited 2024Mar.29];59(9):1239–1252. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3384