TY - JOUR AU - V. K. Ohanyan AU - H. Z. Zohrabyan TI - Loss functions and descent method JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2021 SP - 29 EP - 35 VL - 55 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2021_55_1_a3/ LA - en ID - UZERU_2021_55_1_a3 ER -