Dimitrov, Georgi, Bychkov Os, and Pavel Petrov. "One Approach for Analysis of Fuzzy Linear Hybrid Automata." Economic Sciences Series 7, no. 2 (2018): 234-240.

Panayotova, Galina, Georgi Dimitrov, Pavel Petrov, and Bychkov Os. Modeling and data processing of information systems In 016 Third International Conference on Artificial Intelligence and Pattern Recognition (AIPR). Lodz, Poland, 2016.