TY  - BOOK
AU  - Forgiel, M.
TI  - The Differential equations problem solver
SN  - 878915133
AV  - QA 371 .D54 1978  
PY  - 1978///
CY  - New York
PB  - Research and education Association
KW  - DIFFERENTIAL EQUATIONS
N1  - Includes index
ER  -