@article{Dömösi_Imreh_1983, title={On vi-products of automata}, volume={6}, url={https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3248}, number={2}, journal={Acta Cybernetica}, author={Dömösi, Pál and Imreh, Balázs}, year={1983}, month={Jan.}, pages={149-162} }