Диха О, Білик А, Петрук Р. Dykha O.V., Bilyk A.P., Petruk R.V. A test of optimum content of the special additive is to industrial oil. PT [Internet]. 2014 Jul. 10 [cited 2025 Jul. 31];68(2):55-8. Available from: https://tribology.khmnu.edu.ua/index.php/ProbTrib/article/view/138