TY - JOUR AU - L. I. Rodina TI - Profit maximization problems in various economic models JO - Matematičeskoe obrazovanie PY - 2021 SP - 44 EP - 49 IS - 2 UR - http://geodesic.mathdoc.fr/item/MO_2021_2_a5/ LA - ru ID - MO_2021_2_a5 ER -