@article{ELMA_1982__37_141276,
     author = {J. Hersch},
     title = {Repr\'esentation conforme et sym\'etries: une d\'etermination \'el\'ementaire du module d'un quadrilat\`ere en forme de {L.}},
     journal = {Elemente der Mathematik},
     pages = {1--5},
     publisher = {mathdoc},
     volume = {37},
     year = {1982},
     zbl = {0468.30007},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1982__37_141276/}
}