TY  - BOOK
AU  - Epstein,Saul T.
TI  - The variation method in quantum chemistry
SN  - 0122405501 :
U1  - 541.383 
PY  - 1974///
CY  - New York
PB  - Academic Press
KW  - Quantum chemistry
KW  - Calculus of variations
N1  - Includes bibliographical references and index
ER  -