000			00367nmm a2200133Ia 4500
008			230125s9999||||xx |||||||||||||||||und||
020			_a9781461444817
100			_aAlexander Plakhov
245		0	_aExterior Billiards
250			_a2013
260			_bSpringer New York _c2013
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-1-4614-4481-7
999			_c9636 _d9636