@article{MM_2003_15_7_a7,
     author = {A. V. Vasenov and Yu. A. Shebeko},
     title = {Simulation of problematical situations in ecology},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {69--74},
     publisher = {mathdoc},
     volume = {15},
     number = {7},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2003_15_7_a7/}
}