%0 Journal Article %A Athanassov, Zhivko S. %T On the asymptotic behaviour of nonlinear systems of ordinary differential equations %J Glasgow mathematical journal %D 1985 %P 161-170 %V 26 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005942/ %R 10.1017/S0017089500005942 %F 10_1017_S0017089500005942