00599nam a2200205Ia 4500 3764369299 515.5 El47.OS Ellis, Robert L. and Israel Gohberg Orthogonal systems and convolution operators Basel Birkhauser Verlag 2003 xvi, 236p. Bibl. Index. Operator theory advances and applications ; v.140 "Purchased under NBHM grant for the year 2002-2003" Gohberg, Israel ; jt. auth. 0 0 0 0 ISI ISI 2003-03-25 GBH 611040.00 0 515.5 El47.OS DP25787 2019-02-14 00:00:00 2019-02-14 BK Ord num:6401; Ord dt:2003-03-21 23342 23342 23342