Sladký, K. Average Reward Optimality in Semi-Markov Decision Processes with Costly Interventions. In: SEKNIČKOVÁ, Jana, HOLÝ, Vladimír, eds. Proceedings of the 41st International Conference on Mathematical Methods in Econometrics. Praha: The Czech Society of Operations Research, 2023, s. 378-383. ISBN 978-80-11-04132-8. ISSN 2788-3965. Available: http://library.utia.cas.cz/separaty/2023/E/sladky-0583563.pdf