@article{10_2140_agt_2008_8_885,
     author = {Cha, Jae Choon},
     title = {Topological minimal genus and {L2{\textendash}signatures}},
     journal = {Algebraic and Geometric Topology},
     pages = {885--909},
     year = {2008},
     volume = {8},
     number = {2},
     doi = {10.2140/agt.2008.8.885},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2008.8.885/}
}