@article{c96721fb9e5841478c7fad4b958e003a,
title = "On polynomially integrable planar outer billiards and curves with symmetry property",
abstract = "We show that every polynomially integrable planar outer convex billiard is elliptic. We also prove an extension of this statement to non-convex billiards.",
author = "A. Glutsyuk and E. Shustin",
note = "Publisher Copyright: {\textcopyright} 2018, Springer-Verlag GmbH Germany, part of Springer Nature.",
year = "2018",
month = dec,
day = "1",
doi = "10.1007/s00208-018-1726-4",
language = "אנגלית",
volume = "372",
pages = "1481--1501",
journal = "Mathematische Annalen",
issn = "0025-5831",
publisher = "Springer New York",
number = "3-4",
}