@article{10_21136_CMJ_1961_100486,
     author = {C\u{a}lug\u{a}reanu, G.},
     title = {Sur les classes d'isotopie des noeuds tridimensionnels et leurs invariants},
     journal = {Czechoslovak Mathematical Journal},
     pages = {588--625},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {1961},
     doi = {10.21136/CMJ.1961.100486},
     mrnumber = {0149378},
     zbl = {0118.16005},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1961.100486/}
}