TY - BOOK AU - Ellis, Robert L. and Israel Gohberg AU - Gohberg, Israel ; jt. auth. TI - Orthogonal systems and convolution operators T2 - Operator theory SN - 3764369299 U1 - 515.5 PY - 2003/// CY - Basel PB - Birkhauser Verlag N1 - "Purchased under NBHM grant for the year 2002-2003" ER -