%0 Journal Article %A I. K. Volkov %A A. P. Krishchenko %T Qualitative analysis of a population development model %J Differencialʹnye uravneniâ %D 1996 %P 1457-1465 %V 32 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1996_32_11_a2/ %G ru %F DE_1996_32_11_a2