TY  - GEN
AU  - Demidenko,Gennadii V.
AU  - Upsenskii,Stanislav V.
TI  - Partial differential equations and systems not solvable with respect to the highest-order derivative
T2  - Pure and applied mathematics
SN  - 0824740394
U1  - 515.353 
PY  - 2003///
CY  - [S.l.]
PB  - CRC Press
ER  -