TY - JOUR AU - Joanna Pętela TI - Extinction in nonautonomous Kolmogorov systems JO - Applicationes Mathematicae PY - 2010 SP - 185 EP - 199 VL - 37 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am37-2-4/ DO - 10.4064/am37-2-4 LA - en ID - 10_4064_am37_2_4 ER -