@article{10_4153_CMB_1981_076_x,
     author = {Pollington, Andrew and Eynden, Charles Vanden},
     title = {The {Integers} as {Differences} of a {Sequence}},
     journal = {Canadian mathematical bulletin},
     pages = {497--499},
     year = {1981},
     volume = {24},
     number = {4},
     doi = {10.4153/CMB-1981-076-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-076-x/}
}