@article{JIS_2015__18_2_a6,
     author = {H\"urlimann,  Werner},
     title = {Exact and asymptotic evaluation of the number of distinct primitive cuboids},
     journal = {Journal of integer sequences},
     year = {2015},
     volume = {18},
     number = {2},
     zbl = {1310.11039},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2015__18_2_a6/}
}