%0 Journal Article %A D. I. Trubetskov %T Ecology by professor Bogdankevich %J Izvestiya VUZ. Applied Nonlinear Dynamics %D 2015 %P 65-70 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVP_2015_23_3_a5/ %G ru %F IVP_2015_23_3_a5