@article{10_4153_CMB_1970_099_4,
     author = {Consul, P. C. and Kemp, M. J.},
     title = {On an {Interesting} {Property} of a {Combinatorial} {Function}},
     journal = {Canadian mathematical bulletin},
     pages = {533--536},
     year = {1970},
     volume = {13},
     number = {4},
     doi = {10.4153/CMB-1970-099-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-099-4/}
}