@article{10_2140_agt_2010_10_837,
     author = {Church, Thomas and Farb, Benson},
     title = {Infinite generation of the kernels of the {Magnus} and {Burau} representations},
     journal = {Algebraic and Geometric Topology},
     pages = {837--851},
     year = {2010},
     volume = {10},
     number = {2},
     doi = {10.2140/agt.2010.10.837},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2010.10.837/}
}