TY  - BOOK
AU  - Simmons,George F.
AU  - Robertson, John S.
TI  - Differential Equations, with Applications and Historical Notes
SN  - 0070575401
U1  - 515.35 23
PY  - 1991///
CY  - New York
PB  - McGraw-Hill
KW  - Differential equations
KW  - Mathematics
N1  - Includes bibliographical references and index
ER  -