TY  - BOOK
AU  - Villadsen,J & Michelsen,M.L
ED  - Michelsen, M.L
TI  - Solution of differential equation models by polynomial approximation
T2  - Prentice-hall international series in the physical & chemic
SN  - 0138222053
U1  - 11.06 
PY  - 1978///
CY  - Englewood Cliffs
PB  - Prentice-Hall
ER  -