TY  - BOOK
AU  - Murray R. Spiegel and A. N. Pettitt.
AU  - Murray R. Spiegel and A. N. Pettitt.
TI  - Sos Theory and Problems of advancd Mathematics for Engineers and Scientists
U1  - 515.1/S755t 
PY  - 1983///
CY  - Singapore
PB  - MC Graw Hill book Company
ER  -