Lân, V. N., V. C. Hưng, Đặng T. Phu, and B. Đông Nam. “Control of the Linear Interval Systems Using Fuzzy Logic and Principle of Separation of the Models”. Journal of Computer Science and Cybernetics, vol. 17, no. 4, Aug. 2012, pp. 23-27, doi:10.15625/1813-9663/17/4/2288.