TY  - BOOK
AU  - BILLINGHAM, KING A C
TI  - DIFFERENTIAL EQUATIONS: LINEAR, NONLINEAR, ORDINARY, PARTIAL 
SN  - 0-521-67045-4
U1  - 515.35 BIL/OTT 
PY  - 2005///
CY  - CAMBRIDGE
PB  - CAMBRIDGE UNIVERSITY PRESS
ER  -