Generalization of a theorem by V. Eberhard Stanislav Jendroľ, Ernest Jucovič (1977) Mathematica Slovaca
Geodesic laminations with transverse Hölder distributions Francis Bonahon (1997) Annales scientifiques de l'École Normale Supérieure
Groupoids, the Phragmen-Brouwer property, and the Jordan curve theorem. Brown, Ronald (2006) Journal of Homotopy and Related Structures