@article{10_4153_CMB_1990_020_3,
     author = {Porta, Horacio and Stolarsky, Kenneth B.},
     title = {Half-Silvered {Mirrors} and {Wythoff's} {Game}},
     journal = {Canadian mathematical bulletin},
     pages = {119--125},
     year = {1990},
     volume = {33},
     number = {1},
     doi = {10.4153/CMB-1990-020-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-020-3/}
}