Яцишин, М. М., В. М. Юрчишин, and В. Р. Процюк. “THE INFORMATIONAL AND CATEGORIAL FORMALIZING OF PROCESS AND OBJECTS OF THE OIL AND GAS SUBJECT DOMAIN”. Oil and Gas Power Engineering, no. 1(17) (February 13, 2012): 16–27. Accessed November 23, 2024. https://nge.nung.edu.ua/index.php/nge/article/view/27.