00667nam a2200157Ia 4500 260612b |||||||| |||| 00| 0 eng d 515.72 C748.ST Conference on "Spectral Theory of Differential Operators", Alabama, Brimingham, March 26-28, 1981 22975 Spectral theory of differential operators; proceedings of the international conference / Amsterdam: North-Holland, 1981 xv, 384p. North-Holland Mathematics studies v. 55 22976 Knowles, Ian W. editor. 22977 Lewis, Rogert editor. 22978 ddc BK 0 0 0 515_720000000000000_C748_ST 0 14802 ISI ISI 1998-09-18 0 515.72 C748.ST DP17800 2019-02-14 00:00:00 BK 12129 12129