Ivanov, V., Trostianko, P., Kovalenko, S., Volodchenko, A., Chernozhuk, T., Stepaniuk, D. and Kalugin, O. 2021. Quantum-chemical calculations of electronic spectra absorption: ab initio or semiempirical methods?. Kharkiv University Bulletin. Chemical Series. 36 (Mar. 2021), 33-43. DOI:https://doi.org/10.26565/2220-637X-2021-36-06.