000			00365nmm a2200133Ia 4500
008			230201s9999||||xx |||||||||||||||||und||
020			_a9783642618567
100			_aJean-Pierre Serre
245		0	_aTrees
250			_a1980
260			_bSpringer Berlin Heidelberg _c1980
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-3-642-61856-7
999			_c22699 _d22699