@article{10_4153_CJM_1983_018_5,
     author = {Beesack, Paul R.},
     title = {On {Inequalities} {Complementary} to {Jensen's}},
     journal = {Canadian journal of mathematics},
     pages = {324--338},
     year = {1983},
     volume = {35},
     number = {2},
     doi = {10.4153/CJM-1983-018-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1983-018-5/}
}