@article{CMH_1974__49_139600,
     author = {S.L.G. Choi},
     title = {On a {Problem} {Concerning} {Two} {Integer} {Sequences}},
     journal = {Commentarii mathematici Helvetici},
     pages = {534--542},
     publisher = {mathdoc},
     volume = {49},
     year = {1974},
     zbl = {0291.10042},
     url = {http://geodesic.mathdoc.fr/item/CMH_1974__49_139600/}
}