@article{10_4171_dm_65,
     author = {Karsten Matthies},
     title = {A subshift of finite type in the {Takens-Bogdanov} bifurcation with $D_3$ symmetry},
     journal = {Documenta mathematica},
     pages = {463--485},
     year = {1999},
     volume = {4},
     doi = {10.4171/dm/65},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/65/}
}