Oliinyk AP, Grigorchuk GV, Govdyak RM. THE MATHEMATICAL MODELLING METHODS APPLYING TO ESTIMATE THE PIPELINES TECHNICAL STATE AND ENVIRONMENT SITUATION. mpky [Internet]. 2019 Jun. 27 [cited 2024 Apr. 19];(1(42):97-103. Available from: https://mpky.nung.edu.ua/index.php/mpky/article/view/477