@article{AIHPA_1973__18_4_353_0,
     author = {von Westenholz, C.},
     title = {On the significance of electromagnetic potentials in the quantum theory},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {353--365},
     publisher = {Gauthier-Villars},
     volume = {18},
     number = {4},
     year = {1973},
     mrnumber = {334773},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1973__18_4_353_0/}
}