%0 Journal Article %A A. A. Krivonogov %A K. A. Gontarev %T A non-invasive method for measuring liquid and gas flow rates through a pipeline wall %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika %D 2023 %P 38-46 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURM_2023_15_4_a4/ %G ru %F VYURM_2023_15_4_a4