Mammadova G. Determination of the Duration of Gas Movement with Hemispherical-Radial Stationary Filtration of Natural Gas in a Circular Heterogeneous Reservoir. Herald Journal [Internet]. 2021 Sep. 30 [cited 2025 May 10];13(3):100-5. Available from: https://journal.ama.com.az/index.php/pub/article/view/45