@article{malevanets_kapral_1996, 
  title={Links, Knots, and Knotted Labyrinths in Bistable Systems}, 
  volume={77}, 
  DOI={10.1103/physrevlett.77.767}, 
  publisher={American Physical Society (APS)}, 
  author={Malevanets and Kapral}, 
  year={1996}, 
  month={Jul}
  }