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Венцель, Є. С.; Євтушенко, А. В.; Щукін, О. В.; Орел, О. В. Ventsel Ye. S., Ewtushenko A.V., Shchukin О. V., Orel O.V. Mathematical Model of the Intensity of Wear of Friction Surfaces of Tribo-couplings.: http://tribology.khnu.km.ua/index.php/ProbTrib/submission/step/2?SubmissionId=652. PT 2018, 87, 51-56.