@article{CRMATH_2004__338_9_713_0,
     author = {Abbaspour, Hossein},
     title = {The loop product for 3-manifolds},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {713--718},
     publisher = {Elsevier},
     volume = {338},
     number = {9},
     year = {2004},
     doi = {10.1016/j.crma.2004.03.004},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2004.03.004/}
}