@article{MM_2003_15_11_a9,
     author = {V. D. Perminov and D. A. Sarancha},
     title = {On some approach to solving population ecology problems},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {121--128},
     publisher = {mathdoc},
     volume = {15},
     number = {11},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2003_15_11_a9/}
}