Демчук, Л. В., Рогачов, В. А., Терех, О. М. and Руденко, О. І. (2011) “Heat-aerodynamic efficiency of helical tubes with equaldeveloped surface”, Eastern-European Journal of Enterprise Technologies, 5(8(53), pp. 26–30. doi: 10.15587/1729-4061.2011.1274.