TY  - BOOK
TI  - Description of states in quantum mechanics by density matrix and operator techniques
U1  - 530.12 
PY  - 1957///
KW  - Density matrix
KW  - Operator techniques
KW  - Physics
KW  - Quantum mechanics
N1  - Photostat copy from Reviews of Modern Physics; v.29, no.1, Jan 1957
ER  -