Tebou, LRT. (1998). On some observability results related to perturbed wave equation
.
327(3), 277-281. 10.1016/S0764-4442(98)80146-8
Tebou, LRT. (1998). On some observability results related to perturbed wave equation
. 327(3), 277-281. 10.1016/S0764-4442(98)80146-8