TY - BOOK AU - Demuth,Michael AU - Krishna,M. TI - Determining spectra in quantum theory SN - 9780817643669 U1 - 515.7222 PY - 2005/// CY - Boston PB - Birkhäuser KW - Potential theory (Mathematics) KW - Operator theory KW - Spectral theory KW - Scattering (Mathematics) N1 - Includes bibliographical references and index ER -