@article{GT_2008_12_4_a8,
     author = {Lupercio, Ernesto and Uribe, Bernardo and Xicotencatl, Miguel A},
     title = {Orbifold string topology},
     journal = {Geometry & topology},
     pages = {2203--2247},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2008},
     doi = {10.2140/gt.2008.12.2203},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2008.12.2203/}
}