TY - JOUR AU - A. V. Egorova TI - Optimization of discounted income for a structured population exposed to harvesting JO - Vestnik rossijskih universitetov. Matematika PY - 2021 SP - 15 EP - 25 VL - 26 IS - 133 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTAMU_2021_26_133_a1/ LA - ru ID - VTAMU_2021_26_133_a1 ER -