TY  - GEN
AU  - Simmons, George Finlay
TI  - Differential equations with applications and historical notes
SN  - 0070575401
U1  - 515.35 
PY  - 1991///
CY  - New Delhi
PB  - McGraw-Hill
KW  - Differential equations
N1  - Includes bibliographical references and index
ER  -