TY  - BOOK
TI  - Symmetry methods for differential equations
T2  - Cambridge texts in applied mathematics
SN  - 0521497035 | 0521497868
PY  - 2000///
CY  - New York
PB  - Cambridge University Press
UR  - http://www.loc.gov/catdir/toc/cam024/99031354.html | http://www.loc.gov/catdir/description/cam0210/99031354.html
ER  -