@article{10_4153_CMB_1983_063_2,
     author = {Kreith, Kurt},
     title = {Oscillation {Properties} of {Weakly} {Time} {Dependent} {Hyperbolic} {Equations}},
     journal = {Canadian mathematical bulletin},
     pages = {368--373},
     year = {1983},
     volume = {26},
     number = {3},
     doi = {10.4153/CMB-1983-063-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1983-063-2/}
}