@article{CMH_1992__67_3_140264,
     author = {Francois Haab},
     title = {Immersions tendues de surfaces dans {E3.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {182--202},
     publisher = {mathdoc},
     volume = {67},
     number = {3},
     year = {1992},
     zbl = {0763.53060},
     url = {http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140264/}
}