@article{10_1017_S0017089500005942,
     author = {Athanassov, Zhivko S.},
     title = {On the asymptotic behaviour of nonlinear systems of ordinary differential equations},
     journal = {Glasgow mathematical journal},
     pages = {161--170},
     year = {1985},
     volume = {26},
     number = {2},
     doi = {10.1017/S0017089500005942},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005942/}
}