TY  - BOOK
AU  - Butkovskiy, A.G
TI  - Phase portraits of control dynamical systems
SN  - 0792310578
AV  - QA 614.8 .B88  
PY  - 1991///
CY  - Boston
PB  - Kluwer Academic
KW  - Differentiable Dynamic Systems -- Congresses
ER  -