@article{MO_2021_2_a5,
     author = {L. I. Rodina},
     title = {Profit maximization problems in various economic models},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {44--49},
     year = {2021},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2021_2_a5/}
}