“INVESTIGATIONS OF BIS-CHROMOPHORE SYSTEMS: RELATIONSHIP BETWEEN SPECTRAL BEHAVIOUR AND CHARGE TRANSFER IN 2-(3-COUMAROYL)-BENZOPYRYLIUM PERCHLORATES: UDC 544.431.13 + 535.372 + 574.814.1”. Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry 50, no. 1 (November 13, 2014): 74–77. Accessed February 14, 2026. https://chemistry.bulletin.knu.ua/article/view/8535.