SERDIUK, O., PISKUN, O., DIKHTIARENKO, V. and BILETSKA, N. 2021. PRELIMINARY DETERMINATION OF THE NUMBER OF CLUSTERS USING SOFM ARTIFICIAL NEURAL NETWORKS. Cherkasy University Bulletin: Applied Mathematics. Informatics. 1 (Dec. 2021), 91–112. DOI:https://doi.org/10.31651/2076-5886-2021-1-91-112.