@article{10_2140_agt_2012_12_415,
     author = {Patureau-Mirand, Bertrand},
     title = {Noninjectivity of the {\textquotedblleft}hair{\textquotedblright} map},
     journal = {Algebraic and Geometric Topology},
     pages = {415--420},
     year = {2012},
     volume = {12},
     number = {1},
     doi = {10.2140/agt.2012.12.415},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2012.12.415/}
}