Суворов, Н. П., И. Г. Суворова, and О. В. Кравченко. “Formation of Optimal Systems of Energy Transformations on the Basis of Using the Principles of Harmony, Integrity”. Eastern-European Journal of Enterprise Technologies, vol. 3, no. 10(51), Jan. 2012, pp. 44-46, doi:10.15587/1729-4061.2011.1703.