TY  - BOOK
AU  - Villadsen John
AU  -  Michelsen Michael L
TI  - Solution to differential equations models by polynomial approximation
T2  - Prentice Hall international series in physica and chemical engineering sciences
U1  - B33:1, L8 
PY  - 1978///
CY  - Englewood
PB  - Cliffs Prentice Hall       
KW  - Differential equations
N1  - Appendixp
ER  -