TY  - BOOK
AU  - Ross,Shepley L.
TI  - Introduction to ordinary differential equations
SN  - 0471098817
AV  - QA372 .R815 1989
PY  - 1989///
CY  - New York
PB  - Wiley
KW  - Differential equations
N1  - Includes index; Bibliography: p. [558]
ER  -