000			00367nmm a2200133Ia 4500
008			230201s9999||||xx |||||||||||||||||und||
020			_a9783642653643
100			_aHorst Schubert
245		0	_aCategories
250			_a1972
260			_bSpringer Berlin Heidelberg _c1972
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-3-642-65364-3
999			_c22534 _d22534