“DIELECTRIC AND MECHANICAL PROPERTIES OF CROSS-LINKED POLYURETHANES WITH INTRODUCED IN SITU HETEROPOLYNUCLEAR COMPLEXES CA CU AND SR CU: UDC: 678.01:539.4.014:544.163.3”. Bulletin of Taras Shevchenko National University of Kyiv. Chemistry 52, no. 1 (December 6, 2016): 15–17. Accessed October 6, 2026. https://chemistry.bulletin.knu.ua/en/article/view/8567.