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Continue to ChatSPECTRA AND FINE SPECTRA OF THE UPPER TRIANGULAR BAND MATRIX U(a; 0; b) OVER THE SEQUENCE SPACE C-0 - https://avesis.cumhuriyet.edu.tr/yayin/b51fa8dd-7035-4157-945b-c684e162fb25/spectra-and-fine-spectra-of-the-upper-triangular-band-matrix-ua-0-b-over-the-sequence-space-c-0