@article{AIHPA_1997__67_1_59_0,
     author = {Ichinose, Wataru},
     title = {On the semi-classical approximation of the solution of the {Heisenberg} equation with spin},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {59--76},
     publisher = {Gauthier-Villars},
     volume = {67},
     number = {1},
     year = {1997},
     mrnumber = {1463005},
     zbl = {0881.35133},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1997__67_1_59_0/}
}