@article{10_2140_agt_2006_6_2175,
     author = {Thompson, Abigail},
     title = {Invariants of curves in {RP2} and {R2}},
     journal = {Algebraic and Geometric Topology},
     pages = {2175--2186},
     year = {2006},
     volume = {6},
     number = {5},
     doi = {10.2140/agt.2006.6.2175},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.2175/}
}