@article{JEMS_2007_9_1_a5,
     author = {Yves F\'elix and Jean-Claude Thomas and Micheline Vigu\'e-Poirrier},
     title = {Rational string topology},
     journal = {Journal of the European Mathematical Society},
     pages = {123--156},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2007},
     doi = {10.4171/jems/75},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/75/}
}