@article{JEMS_2016_18_1_a5,
     author = {Feng Cao and Mats Gyllenberg and Yi Wang},
     title = {Group actions on monotone skew-product semiflows with applications},
     journal = {Journal of the European Mathematical Society},
     pages = {195--223},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {2016},
     doi = {10.4171/jems/588},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/588/}
}