@article{AIHPA_1976__24_4_393_0,
     author = {Snellman, H\r{a}kan},
     title = {Quantization in terms of local {Heisenberg} systems},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {393--416},
     publisher = {Gauthier-Villars},
     volume = {24},
     number = {4},
     year = {1976},
     mrnumber = {426682},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AIHPA_1976__24_4_393_0/}
}