Asymptotically Attainable Structures in Nonhomogeneous Markov Systems. - P.-C. G. Vassiliou; Andreas C. Georgiou (Oper. Res., 1990)

Cost models in nonhomogeneous Markov systems. - Andreas C. Georgiou; P.-C. G. Vassiliou (Eur. J. Oper. Res., 1997)

Fuzzy semi-Markov migration process in credit risk. - P.-C. G. Vassiliou (Fuzzy Sets Syst., 2013)