@article{10_4007_annals_2004_159_425,
     author = {Alain H\'enaut},
     title = {On planar web geometry through abelian relations and connections},
     journal = {Annals of mathematics},
     pages = {425--445},
     publisher = {mathdoc},
     volume = {159},
     number = {1},
     year = {2004},
     doi = {10.4007/annals.2004.159.425},
     mrnumber = {2052360},
     zbl = {1069.53020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2004.159.425/}
}