TY  - BOOK
AU  - 
AU  - Brittin, Wesley E., ed.
AU  - Barut, Asim O., ed.
AU  - Guenin, Marcel, ed.
TI  - Mathematical methods of theoretical physics
T2  - Lectures in theoretical physics; v.9A
U1  - 530.15 
PY  - 1967///
CY  - New York
PB  - Gordon and Breach, Science
ER  -