Guseynov, Sharif E., Ruslans Aleksejevs, and Jekaterina V. Aleksejeva. 2019. “ON A 3D INITIAL-BOUNDARY VALUE PROBLEM FOR DETERMINING THE DYNAMICS OF IMPURITIES CONCENTRATION IN A HORIZONTAL LAYERED FINE-PORE MEDIUM”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June): 60-69. https://doi.org/10.17770/etr2019vol3.4172.