Jamshid Ozodovich Xasanov. INVESTIGATION OF QUALITATIVE PROPERTIES OF THE NON-DIVERGENT CROSS-DIFFUSION PROBLEM WITH SOURCE AND VARIABLE DENSITY IN TWO-COMPONENT MEDIA IN CRITICAL CASES. zr [Internet]. 2023 May 31 [cited 2025 Apr. 8];4(5):1091-9. Available from: https://zetarepo.com/index.php/zr/article/view/196