Borysyuk, V.I., Yashchuk, V.M., Naumenko, A.P., Stanova, A.V., Gerasova, V.G., Gerasov, A.O., Kovtun, Y.P., Shandura, M.P. and Kachkovsky, O.D. 2019. Influence of Surplus Negative Charge on Absorption and Fluorescence Excitation Spectra of Asymmetric Polymethine Dyes. Ukrainian Journal of Physics. 60, 7 (Jan. 2019), 593. DOI:https://doi.org/10.15407/ujpe60.07.0593.