@article{SEDP_1972-1973____A26_0,
     author = {Andersson, K. G.},
     title = {Localization and wave fronts},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:25},
     pages = {1--10},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1972-1973},
     mrnumber = {435611},
     zbl = {0263.35006},
     language = {en},
     url = {http://www.numdam.org/item/SEDP_1972-1973____A26_0/}
}