Kudryavsky, Dmitry L., et al. “NMR Spectroscopy of Cu(II) Complexes With Acrylamide and Sodium Acrylate Copolymer and ω-Amino Acids”. Journal of the Belarusian State University. Chemistry, no. 1, Apr. 2021, pp. 85-98, https://doi.org/10.33581/2520-257X-2021-1-85-98.