@article{10_4153_CMB_1972_007_7,
     author = {Hanson, Denis},
     title = {On the {Product} of the {Primes}},
     journal = {Canadian mathematical bulletin},
     pages = {33--37},
     year = {1972},
     volume = {15},
     number = {1},
     doi = {10.4153/CMB-1972-007-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-007-7/}
}