TY  - BOOK
AU  - Landau, L.D.
AU  - Lifshitz, E.M.
TI  - Quantum mechanics: : Non-relativistic theory
SN  - 0080209408
U1  - 530.12 
PY  - 1977///
CY  - New York: 
PB  - Pergamon Press, 
KW  - Angular momentum
KW  - Density matrix
KW  - Physics
KW  - Quantum mechanics
ER  -