@article{BrunnMoellerRussling1998,
  author    = {Thomas Brunn and Bernhard M{\"o}ller and Martin Russling},
  title     = {Layered graph traversals and Hamiltonian path problems — an algebraic approach},
  journal   = {Lecture Notes in Computer Science},
  volume    = {1422},
  pages     = {96 -- 121},
  doi       = {10.1007/BFb0054287},
  year      = {1998},
}