1. Borromeanism and bordism;Akhmetiev,1992
2. The asymptotic Hopf invariant and its applications;Arnold,1974
3. Vassiliev's invariants;Arnold;Lecture at Isaac Newton Institute for Mathematical Studies,1992
4. Topological methods in hydrodynamics;Arnold;Ann. Rev. Fluid Mech.,1992
5. Third-order link integrals;Berger;J. Phys. A: Math. Gen.,1990