Maksymov, M., V. Lozhechnikov, O. Maksymova, and O. Lysiuk. “Improvement of the Control System over Drum Boilers for Burning Combustible Artificial Gases”. Eastern-European Journal of Enterprise Technologies, vol. 4, no. 8 (88), Aug. 2017, pp. 10-16, doi:10.15587/1729-4061.2017.107358.