TY - JOUR AU - Respondek, J. S. TI - Approximate controllability of infinite dimensional systems of the n-th order JO - International Journal of Applied Mathematics and Computer Science PY - 2008 SP - 199 EP - 212 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2008_18_2_a7/ LA - en ID - IJAMCS_2008_18_2_a7 ER -