@article{RM_1992_47_5_a17,
     author = {A. Yu. Shakhverdian},
     title = {Boundary behaviour of a billiard trajectory in an $n$-dimensional cube},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {200--202},
     publisher = {mathdoc},
     volume = {47},
     number = {5},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1992_47_5_a17/}
}