@article{SEDP_1979-1980____A9_0,
     author = {Harthong, J.},
     title = {Les singularit\'es des fonctions spectrales sur une vari\'et\'e riemannienne infiniment aplatie},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:8},
     pages = {1--24},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1979-1980},
     mrnumber = {600693},
     zbl = {0456.58029},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1979-1980____A9_0/}
}