@article{10_2140_agt_2011_11_1701,
     author = {Guelman, Nancy and Liousse, Isabelle},
     title = {C1{\textendash}actions of {Baumslag{\textendash}Solitar} groups on {S1}},
     journal = {Algebraic and Geometric Topology},
     pages = {1701--1707},
     year = {2011},
     volume = {11},
     number = {3},
     doi = {10.2140/agt.2011.11.1701},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.1701/}
}