@article{10_4153_CMB_1973_011_1,
     author = {Erbe, Lynn},
     title = {Oscillation {Criteria} for {Second} {Order} {Nonlinear} {Delay} {Equations}},
     journal = {Canadian mathematical bulletin},
     pages = {49--56},
     year = {1973},
     volume = {16},
     number = {1},
     doi = {10.4153/CMB-1973-011-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-011-1/}
}