@article{PSMIR_1985___3_241_0,
     author = {Wang, Xue Ping},
     title = {Approximation semi-classique de l'\'equation de {Heisenberg}},
     journal = {Publications de l'Institut de recherche math\'ematiques de Rennes},
     pages = {241--260},
     publisher = {D\'epartement de Math\'ematiques et Informatique, Universit\'e de Rennes},
     number = {3},
     year = {1985},
     zbl = {0609.35077},
     language = {fr},
     url = {http://www.numdam.org/item/PSMIR_1985___3_241_0/}
}