@article{GT_2015_19_4_a7,
     author = {Church, Thomas and Putman, Andrew},
     title = {Generating the {Johnson} filtration},
     journal = {Geometry & topology},
     pages = {2217--2255},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2015},
     doi = {10.2140/gt.2015.19.2217},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2015.19.2217/}
}