000			00445nmm a2200145Ia 4500
008			230201s9999||||xx |||||||||||||||||und||
020			_a9783662117910
100			_aKosaku Yosida
245		0	_aFunctional Analysis
250			_a2nd ed. 1968
260			_bSpringer Berlin Heidelberg _c1968
440			_aGrundlehren der mathematischen Wissenschaften
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-3-662-11791-0
999			_c22278 _d22278