@article{10_4153_CJM_1989_016_3,
     author = {Philos, CH. G.},
     title = {Oscillation {Criteria} {For} {Second} {Order} {Superlinear} {Differential} {Equations}},
     journal = {Canadian journal of mathematics},
     pages = {321--340},
     year = {1989},
     volume = {41},
     number = {2},
     doi = {10.4153/CJM-1989-016-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1989-016-3/}
}