TY  - BOOK
AU  - 4th Scheveningen Conference,Netherlands, August 26-31, 1979
AU  - Martini, R., ed.
TI  - Geometrical approaches to differential equations - Proceedings
T2  - Lecture Notes in Mathematics
SN  - 3540100180
U1  - 515.35 
PY  - 1980///
CY  - Berlin
PB  - Springer-Verlag
ER  -