TY  - CHAP
AU  - Rodés-Usán, Álvaro
AU  - Martín Peinador, Elena
PY  - 1987
UR  - https://hdl.handle.net/20.500.14352/65457
M2  - 453
PB  - Universidade do Minho
TI  - Classification of operators in a Hilbert space through images of orthonormal systems
TY  - book part
VL  - 2
ER  -