000			00399nmm a2200133Ia 4500
008			230125s9999||||xx |||||||||||||||||und||
020			_a9783642662829
100			_aTosio Kato
245		0	_aPerturbation Theory for Linear Operators
250			_a2nd ed. 1995
260			_bSpringer Berlin Heidelberg _c1995
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-3-642-66282-9
999			_c8728 _d8728