@article{SJIM_2006_9_4_a5,
     author = {O. I. Il'in},
     title = {On a~problem of the optimal control of a~biological community},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {75--81},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2006_9_4_a5/}
}