@article{VTAMU_2021_26_133_a1,
     author = {A. V. Egorova},
     title = {Optimization of discounted income for a structured population exposed to harvesting},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {15--25},
     publisher = {mathdoc},
     volume = {26},
     number = {133},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2021_26_133_a1/}
}