@article{SDPP_1977-1978__19_1_A3_0,
     author = {Langevin, Michel},
     title = {Facteurs premiers d'entiers en progression arithm\'etique},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:4},
     pages = {1--7},
     publisher = {Secr\'etariat math\'ematique},
     volume = {19},
     number = {1},
     year = {1977-1978},
     zbl = {0394.10023},
     language = {fr},
     url = {http://archive.numdam.org/item/SDPP_1977-1978__19_1_A3_0/}
}