@article{SC_1975-1976__15__A18_0,
     author = {Talagrand, Michel},
     title = {L'image r\'eciproque d'un ultrafiltre sur {N} par une application continue surjective n'est pas bor\'elienne},
     journal = {S\'eminaire Choquet. Initiation \`a l'analyse},
     note = {talk:C8},
     pages = {C1--C2},
     publisher = {Secr\'etariat math\'ematique},
     volume = {15},
     year = {1975-1976},
     zbl = {0364.54024},
     language = {fr},
     url = {http://www.numdam.org/item/SC_1975-1976__15__A18_0/}
}