%0 Journal Article %A Freedman, H. I. %A Gopalsamy, K. %T Nonoccurence of Stability Switching in Systems with Discrete Delays %J Canadian mathematical bulletin %D 1988 %P 52-58 %V 31 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1988-008-0/ %R 10.4153/CMB-1988-008-0 %F 10_4153_CMB_1988_008_0