TY  - BOOK
AU  - A. R. Forsyth
TI  - Treatise on differential equations. Ed 6
U1  - 517.38 
PY  - 1961///
CY  - London
PB  - Macmillan & Co
N1  - A. R. Forsyth: Treatise on differential equations. Ed 6.  (6th Edition.)  London.  Macmillan & Co, 1961.--(517.38FOR)
ER  -