TY  - BOOK
AU  - Crouch P E
AU  -  Schaft A J Van
TI  - Variational and hamiltonian control systems
T2  - Lecture notes in control and information sciences; 101
U1  - B28931, M7 
PY  - 1987///
CY  - Berlin
PB  - Springer-Verlag         
ER  -