@article{VSPUI_2012_4_a1,
     author = {E. A. Gorbunova and E. P. Kolpak},
     title = {Mathematical models of single population},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {18--30},
     year = {2012},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2012_4_a1/}
}