1. S. Adelipour, A. Abooee, M. Haeri, LMI-based sufficient conditions for robust stability and stabilization of LTI-fractional-order systems subjected to interval and polytopic uncertainties. Trans. Inst. Meas. Control37, No 10 (2015), 1207–1216; 10.1177/0142331214559120.
2. D.Q. Cao, Robust stability bounds for nonclassically damped systems with multi-directional perturbations. Int. J. Mech. Sci. 49, No 4 (2007), 405–413; 10.1016/j.ijmecsci.2006.09.018.
3. L.P. Chen, R.C. Wu, Y.G. He, L.S. Yin, Robust stability and stabilization of fractional-order linear systems with polytopic uncertainties. Appl. Math. Comput. 257, (2015), 274–284; 10.1016/j.amc.2014.12.103.
4. S.K. Damarla, M. Kundu, Design of robust fractional PID controller using triangular strip operational matrices. Fract. Calc. Appl. Anal. 18, No 5 (2015), 1291–1326; 10.1515/fca-2015-0074; https://www.degruyter.com/view/j/fca.2015.18.issue-5/issue-files/fca.2015.18.issue-5.xml.
5. S.S. Delshad, M.M. Asheghan, M.H. Beheshti, Robust stabilization of fractional-Order systems with interval uncertainties via fractional-order controllers. Adv. Differ. Equ. 2010, No 1 (2010), # 984601; 10.1155/2010/984601.