“Sorption of the Cu, Gd, V, Mn, and Fe elements by hydrogels with identification of their complexes in the solid phase of the polymer ligand using EPR” (2024) Sorbtsionnye i Khromatograficheskie Protsessy, 24(1), pp. 111–119. doi:10.17308/sorpchrom.2024.24/12024.