TY - BOOK AU - Borthwick,David TI - Spectral theory: basic concepts and applications T2 - Graduate Texts in Mathematics, SN - 3030380017 AV - QC20.7S64 B67 U1 - 515/.7222 23 PY - 2020///] CY - Cham, Switzerland PB - Springer KW - Teoría espectral (Matemáticas) ER -