@article{10_4153_CJM_1996_044_6,
     author = {Li, Horng-Jaan},
     title = {Oscillation {Criteria} for {Second} {Order} {Neutral} {Differential} {Equations}},
     journal = {Canadian journal of mathematics},
     pages = {871--886},
     year = {1996},
     volume = {48},
     number = {4},
     doi = {10.4153/CJM-1996-044-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-044-6/}
}