Bardakhchyan, V. and Mesropyan, M. 2025. COMPARISON OF MARKOWITZ AND HELLINGER-NORMAL PORTFOLIOS. Bulletin of Yerevan University G: Economics. 15, 2 (44) (Jan. 2025), 112–119. DOI:https://doi.org/10.46991/BYSU.G/2024.15.2.112.