P. Angelov, S. Tzonkov, Fuzzy
Optimal Control of Ethanol Synthesis, Fuzzy Systems and Artificial Intelligence,
vol.2, No1, pp.45-51, 1993
P.Angelov, N. Zamdjiev, An
Approach to Fuzzy Optimal Control via Parameterized Conjunction and Defuzzification, Fuzzy Systems and Artificial Intelligence, vol.2, No1, 1993, pp.53-57, 1993