@article{AIHPA_1999__70_3_313_0,
     author = {Gerlach, R. and W\"unsch, V.},
     title = {Contributions to polynomial conformal tensors},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {313--340},
     publisher = {Gauthier-Villars},
     volume = {70},
     number = {3},
     year = {1999},
     mrnumber = {1718185},
     zbl = {0972.53039},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1999__70_3_313_0/}
}