@article{10_4153_CMB_1982_049_8,
     author = {Ladas, G. and Stavroulakis, I. P.},
     title = {On {Delay} {Differential} {Inequalities} of {Higher} {Order}},
     journal = {Canadian mathematical bulletin},
     pages = {348--354},
     year = {1982},
     volume = {25},
     number = {3},
     doi = {10.4153/CMB-1982-049-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1982-049-8/}
}