@article{10_4064_aa105_4_3,
     author = {Michael A. Bennett},
     title = {Lucas' square pyramid problem revisited},
     journal = {Acta Arithmetica},
     pages = {341--347},
     publisher = {mathdoc},
     volume = {105},
     number = {4},
     year = {2002},
     doi = {10.4064/aa105-4-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa105-4-3/}
}