%0 Journal Article %A A. A. Egorchev %A D. E. Chikrin %A A. F. Fakhrutdinov %A M. R. Sharipov %A R. A. Burnashev %T Methods for obtaining information for biomedical monitoring of~the~level~of~oxygenation and blood pressure using built-in sensors of~smartphone~technology %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2024 %P 423-431 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2024_24_3_a9/ %G ru %F ISU_2024_24_3_a9