@article{10_2140_agt_2011_11_1107,
     author = {Kricker, Andrew},
     title = {Differential operators and the wheels power series},
     journal = {Algebraic and Geometric Topology},
     pages = {1107--1162},
     year = {2011},
     volume = {11},
     number = {2},
     doi = {10.2140/agt.2011.11.1107},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.1107/}
}