TY  - GEN
AU  - Bluman ,Stephen C.Anco George W.
TI  - Symmetry and integration methods for differential equations by george W. bluman , stephen C. anco B01_0336
U1  - 510 
PY  - 2002///
CY  - [S.l.]
PB  - Springer
N1  - Paperback
ER  -