%0 Journal Article %A Burton, T. A. %T Some General Instability Criteria for Ordinary Differential Equations %J Canadian mathematical bulletin %D 1965 %P 453-457 %V 8 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-031-0/ %R 10.4153/CMB-1965-031-0 %F 10_4153_CMB_1965_031_0