@article{AIHPA_1978__28_3_225_0,
     author = {Bandelloni, G. and Becchi, C. and Blasi, A. and Collina, R.},
     title = {Non semisimple gauge models : {I.} {Classical} theory and the properties of ghost states},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {225--254},
     publisher = {Gauthier-Villars},
     volume = {28},
     number = {3},
     year = {1978},
     mrnumber = {495834},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1978__28_3_225_0/}
}