Lizunov, P., A. Biloshchytskyi, A. Kuchansky, Y. Andrashko, and S. Biloshchytska. “The Use of Probabilistic Latent Semantic Analysis to Identify Scientific Subject Spaces and to Evaluate the Completeness of Covering the Results of Dissertation Studies”. Eastern-European Journal of Enterprise Technologies, vol. 4, no. 4 (106), Aug. 2020, pp. 21-28, doi:10.15587/1729-4061.2020.209886.