@article{10_4153_CMB_1978_023_x,
     author = {Boyd, David W.},
     title = {Variations on a {Theme} of {Kronecker}},
     journal = {Canadian mathematical bulletin},
     pages = {129--133},
     year = {1978},
     volume = {21},
     number = {2},
     doi = {10.4153/CMB-1978-023-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-023-x/}
}