@article{EJDE_2007__2007__a129,
     author = {Philos, Christos G. and Purnaras, Ioannis K.},
     title = {Behavior of the solutions to second order linear autonomous delay differential equations},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2007},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a129/}
}