%0 Journal Article %A Joanna Pętela %T Extinction in nonautonomous Kolmogorov systems %J Applicationes Mathematicae %D 2010 %P 185-199 %V 37 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am37-2-4/ %R 10.4064/am37-2-4 %G en %F 10_4064_am37_2_4