1. Bashirov, A.E., Ghahramanlou, N.: On Partial Approximate Controllability of Semilinear Systems. Cogent Engineering 1, (2014). https://doi.org/10.1080/23311916.2014.965947
2. Bashirov, A.E., Jneid, M.: On Partial Complete Controllability of Semilinear Systems. Abst. Appli. Anal. 2013, 521052 (2013)
3. Bashirov, A.E., Mahmudov, N., Semi, N., Etikan, H.: On Partial Controllability Concepts. Inernational Journal of Control 80(1), 1–7 (2007)
4. Carrasco, A., Leiva, Hugo, Sanchez, J.L., Tineo, M.A.: Approximate Controllability of the Semilinear Impulsive Beam Equation with Impulses. Transaction on IoT and Cloud Computing 2(3), 70–88 (2014)
5. Chukwu, E.N.: Stability and Time-Optimal Control of Hereditary Systems, Mathematics in Science and Engineering, vol. 188. Academic Press, INC. (1992)