@article{DAN_1992_322_3_a3,
     author = {V. I. Zubov},
     title = {Differential equations of the evolution of species},
     journal = {Doklady Akademii Nauk},
     pages = {456--459},
     publisher = {mathdoc},
     volume = {322},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_322_3_a3/}
}