TY  - BOOK
AU  - MURRAY (D A)
TI  - Introductory course in differential equations
U1  - 513/99 
PY  - 1961///
CY  - London
PB  - Longman Green & Co Ltd.
KW  - Introductory
KW  - in
KW  - equations
KW  - differential
KW  - course
ER  -