@article{10_4153_CJM_1969_022_1,
     author = {Beesack, Paul R.},
     title = {On {Certain} {Discrete} {Inequalities} involving {Partial} {Sums}},
     journal = {Canadian journal of mathematics},
     pages = {222--234},
     year = {1969},
     volume = {21},
     number = {1},
     doi = {10.4153/CJM-1969-022-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-022-1/}
}