@article{JRAM_1975__273_151554,
     author = {Athanassios G. Kartsatos},
     title = {Bounded solutions to perturbed nonlinear systems and asymptotic relationships.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {170--177},
     publisher = {mathdoc},
     volume = {273},
     year = {1975},
     zbl = {0328.34040},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1975__273_151554/}
}