TY  - GEN
AU  - Ray, M.
AU  - Chaturvedi, J. C. 
AU  - Sharma, Har Swarup
TI  - A Text Book of Differential Equations for Post-Graduate Students
U1  - 517.38 RAY/Tex 
PY  - 1960///
CY  - Agra
PB  - Student's Friends & Co. 
KW  - Differential Equations
N1  - Includes Answers
ER  -