@article{10_4153_CMB_1968_071_2,
     author = {Waltman, Paul},
     title = {A {Note} on an {Oscillation} {Criterion} for {anEquation} with a {Functional} {Argument}},
     journal = {Canadian mathematical bulletin},
     pages = {593--595},
     year = {1968},
     volume = {11},
     number = {4},
     doi = {10.4153/CMB-1968-071-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-071-2/}
}