@article{10_4064_cm6627_1_2016,
     author = {Enhui Shi and Lizhen Zhou},
     title = {Topological conjugation classes of tightly transitive subgroups of ${\rm Homeo}_+{(\mathbb R)}$},
     journal = {Colloquium Mathematicum},
     pages = {111--120},
     publisher = {mathdoc},
     volume = {145},
     number = {1},
     year = {2016},
     doi = {10.4064/cm6627-1-2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm6627-1-2016/}
}