TY  - BOOK
AU  - Corson, Edward Michael,
TI  - Perturbation methods in the quantum mechanics of n-electron systems
U1  - Q 530.12 COR 
PY  - 1951///
CY  - London
PB  - Blackie
KW  - Quantum theory
KW  - Perturbation
N1  - Includes bibliographical references
ER  -