@article{SDPP_1977-1978__19_2_A18_0,
     author = {Turk, Jan},
     title = {Sets of integers composed of few prime numbers},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:44},
     pages = {1--6},
     publisher = {Secr\'etariat math\'ematique},
     volume = {19},
     number = {2},
     year = {1977-1978},
     zbl = {0394.10022},
     language = {en},
     url = {http://archive.numdam.org/item/SDPP_1977-1978__19_2_A18_0/}
}