@article{VUU_2019_29_4_a2,
     author = {A. V. Egorova and L. I. Rodina},
     title = {On optimal harvesting of renewable resource from the structured population},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {501--517},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2019_29_4_a2/}
}