@article{CRMATH_2002__334_8_677_0,
     author = {Popescu-Pampu, Patrick},
     title = {On a canonical placement of knots in irreducible 3-manifolds},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {677--682},
     publisher = {Elsevier},
     volume = {334},
     number = {8},
     year = {2002},
     doi = {10.1016/S1631-073X(02)02329-4},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/S1631-073X(02)02329-4/}
}