Rubanenko, O., Kazmiruk, O., Bandura, V., Matvijchuk, V. and Rubanenko, O. (2017) “Determination of optimal transformation ratios of power system transformers in conditions of incomplete information regarding the values of diagnostic parameters”, Eastern-European Journal of Enterprise Technologies, 4(3 (88), pp. 66–79. doi: 10.15587/1729-4061.2017.108945.