@article{10_4064_fm212_2_2,
     author = {Jozef Bobok and Serge Troubetzkoy},
     title = {Does a billiard orbit determine its (polygonal) table?},
     journal = {Fundamenta Mathematicae},
     pages = {129--144},
     publisher = {mathdoc},
     volume = {212},
     number = {2},
     year = {2011},
     doi = {10.4064/fm212-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm212-2-2/}
}