@article{GDZPPN002542501,
title = {Numbers with large prime factors},
journal = {Seminaire de Th\'eorie des Nombres de Bordeaux},
volume = {1},
year = {1971},
pages = {1-10},
zbl = {0274.10041},
url = {http://dml.mathdoc.fr/item/GDZPPN002542501}
}
HALBERSTAM, Heini. Numbers with large prime factors. Seminaire de Théorie des Nombres de Bordeaux, Tome 1 (1971) pp. 1-10. http://gdmltest.u-ga.fr/item/GDZPPN002542501/