@article{AIHPA_1987__46_4_415_0,
     author = {Robert, Didier and Tamura, Hideo},
     title = {Semi-classical estimates for resolvents and asymptotics for total scattering cross-sections},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {415--442},
     publisher = {Gauthier-Villars},
     volume = {46},
     number = {4},
     year = {1987},
     mrnumber = {912158},
     zbl = {0648.35066},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1987__46_4_415_0/}
}