TY  - JOUR
AU  - Sharma,  Jaita Pankaj
AU  - George,  Raju K.
TI  - Controllability of matrix second order systems: a trigonometric matrix approach
JO  - Electronic journal of differential equations
PY  - 2007
VL  - 2007
UR  - http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a22/
LA  - en
ID  - EJDE_2007__2007__a22
ER  -