Лысенко, А. И., and Е. Н. Тачинина. “The Expansion Principle for Compound Dynamical Systems With an Arbitrary Branching Scheme of the Trajectory”. Problems of Informatization and Management, vol. 4, no. 60, Dec. 2017, pp. 51-56, doi:10.18372/2073-4751.4.12820.