@article{JIS_2007__10_3_a4,
     author = {Betts,  Robert J.},
     title = {Using {Bonse's} inequality to find upper bounds on prime gaps},
     journal = {Journal of integer sequences},
     year = {2007},
     volume = {10},
     number = {3},
     zbl = {1140.11004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2007__10_3_a4/}
}