@article{10_4153_CJM_1974_088_0,
     author = {Allegretto, W.},
     title = {Oscillation {Criteria} for {Quasilinear} {Equations}},
     journal = {Canadian journal of mathematics},
     pages = {931--947},
     year = {1974},
     volume = {26},
     number = {4},
     doi = {10.4153/CJM-1974-088-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-088-0/}
}