@article{AIHPA_1980__32_3_277_0,
     author = {Brugarino, Tommaso},
     title = {De {Sitter-invariant} field equations},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {277--282},
     publisher = {Gauthier-Villars},
     volume = {32},
     number = {3},
     year = {1980},
     mrnumber = {579964},
     zbl = {0439.53044},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1980__32_3_277_0/}
}