000			00469nmm a2200145Ia 4500
008			230125s9999||||xx |||||||||||||||||und||
020			_a9783034890298
100			_aYuri V. Egorov, Vladimir A. Kondratiev
245		0	_aOn Spectral Theory of Elliptic Operators
250			_a1996
260			_bBirkhäuser Basel _c1996
440			_aOperator Theory: Advances and Applications
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-3-0348-9029-8
999			_c5483 _d5483