@article{10_2140_agt_2006_6_2351,
     author = {Stoimenow, Alexander},
     title = {Genus generators and the positivity of the signature},
     journal = {Algebraic and Geometric Topology},
     pages = {2351--2393},
     year = {2006},
     volume = {6},
     number = {5},
     doi = {10.2140/agt.2006.6.2351},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.2351/}
}