000			00414nmm a2200133Ia 4500
008			230125s9999||||xx |||||||||||||||||und||
020			_a9783030015121
100			_aHelmut Hasse
245		0	_aOn the Class Number of Abelian Number Fields
250			_a1st ed. 2019
260			_bSpringer International Publishing _c2019
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-3-030-01512-1
999			_c12017 _d12017