00420nam a2200133Ia 4500 250307b |||||||| |||| 00| 0 eng d 515.72 D752.ST Dowson, H. R. 5951 Spectral theory of linear operators / London: Academic Press, 1978 xii, 422p. Bibl. Index. London Mathematical Society monographs no. 12 ddc BK 0 0 0 515_720000000000000_D752_ST 0 15001 ISI ISI 1998-09-21 1 2 515.72 D752.ST DP15938 2021-09-22 00:00:00 2021-04-01 BK 12325 12325