000			00417nmm a2200133Ia 4500
008			230125s9999||||xx |||||||||||||||||und||
020			_a9789811030208
100			_aHarkrishan Lal Vasudeva
245		0	_aElements of Hilbert Spaces and Operator Theory
250			_a1st ed. 2017
260			_bSpringer Nature Singapore _c2017
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-981-10-3020-8
999			_c4810 _d4810