@article{AIHPA_1968__9_1_35_0,
     author = {Galtsov, D.},
     title = {Effet d'absorption n\'egative par les syst\`emes quasiclassiques},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {35--43},
     publisher = {Gauthier-Villars},
     volume = {9},
     number = {1},
     year = {1968},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/AIHPA_1968__9_1_35_0/}
}