TY  - BOOK
AU  - Krasil'shchik, I.S.
AU  - Kersten, P.H.M.
TI  - Symmetries and recursion operators for classical and supersymmetric differential equations
T2  - Mathematics and its applications
SN  - 0792363159
U1  - 515.35 
PY  - 2000///
CY  - Dordrecht
PB  - Kluwer Academic Publishers
ER  -