@article{AIHPA_1981__35_2_149_0,
     author = {Davies, E. B.},
     title = {Symmetry breaking for molecular open systems},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {149--171},
     publisher = {Gauthier-Villars},
     volume = {35},
     number = {2},
     year = {1981},
     mrnumber = {637240},
     zbl = {0493.49040},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1981__35_2_149_0/}
}