@article{BSMF_1989__117_4_389_0,
     author = {Balazard, Michel},
     title = {Remarques sur un th\'eor\`eme de {G.} {Hal\'asz} et {A.} {S\'ark\"ozy}},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {389--413},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {117},
     number = {4},
     year = {1989},
     doi = {10.24033/bsmf.2129},
     mrnumber = {91d:11113},
     zbl = {0704.11029},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2129/}
}